diff options
Diffstat (limited to 'sys/i4b/include/i4b_l3l4.h')
| -rw-r--r-- | sys/i4b/include/i4b_l3l4.h | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/sys/i4b/include/i4b_l3l4.h b/sys/i4b/include/i4b_l3l4.h new file mode 100644 index 0000000..642777c --- /dev/null +++ b/sys/i4b/include/i4b_l3l4.h @@ -0,0 +1,260 @@ +/* + * Copyright (c) 1997, 1998 Hellmuth Michaelis. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + *--------------------------------------------------------------------------- + * + * i4b_l3l4.h - layer 3 / layer 4 interface + * ------------------------------------------ + * + * $Id: i4b_l3l4.h,v 1.21 1998/12/05 18:02:59 hm Exp $ + * + * last edit-date: [Sat Dec 5 18:04:58 1998] + * + *---------------------------------------------------------------------------*/ + +#ifndef _I4B_L3L4_H_ +#define _I4B_L3L4_H_ + +#define T303VAL (hz*4) /* 4 seconds timeout */ +#define T305VAL (hz*30) /* 30 seconds timeout */ +#define T308VAL (hz*4) /* 4 seconds timeout */ +#define T309VAL (hz*90) /* 90 seconds timeout */ +#define T310VAL (hz*60) /* 30-120 seconds timeout */ +#define T313VAL (hz*4) /* 4 seconds timeout */ +#define T400DEF (hz*10) /* 10 seconds timeout */ + +#define N_CALL_DESC (MAX_CONTROLLERS*2) /* no of call descriptors */ + +extern int nctrl; /* number of controllers detected in system */ + +typedef struct bchan_statistics { + int outbytes; + int inbytes; +} bchan_statistics_t; + +/*---------------------------------------------------------------------------* + * table of things the driver needs to know about the b channel + * it is connected to for data transfer + *---------------------------------------------------------------------------*/ +typedef struct i4l_isdn_bchan_linktab { + int unit; + int channel; + void (*bch_config)(int unit, int channel, int bprot, int updown); + void (*bch_tx_start)(int unit, int channel); + void (*bch_stat)(int unit, int channel, bchan_statistics_t *bsp); + struct ifqueue *tx_queue; + struct ifqueue *rx_queue; /* data xfer for NON-HDLC traffic */ + struct mbuf **rx_mbuf; /* data xfer for HDLC based traffic */ +} isdn_link_t; + +/*---------------------------------------------------------------------------* + * table of things the b channel handler needs to know about + * the driver it is connected to for data transfer + *---------------------------------------------------------------------------*/ +typedef struct i4l_driver_bchan_linktab { + int unit; + void (*bch_rx_data_ready)(int unit); + void (*bch_tx_queue_empty)(int unit); + void (*bch_activity)(int unit, int rxtx); +#define ACT_RX 0 +#define ACT_TX 1 + void (*line_connected)(int unit, void *cde); + void (*line_disconnected)(int unit, void *cde); + void (*dial_response)(int unit, int stat); + void (*updown_ind)(int unit, int updown); +} drvr_link_t; + +/* global linktab functions for controller types (aka hardware drivers) */ +struct ctrl_type_desc { + isdn_link_t* (*get_linktab)(int unit, int channel); + void (*set_linktab)(int unit, int channel, drvr_link_t *dlt); +}; +extern struct ctrl_type_desc ctrl_types[]; + +/* global linktab functions for RBCH userland driver */ + +drvr_link_t *rbch_ret_linktab(int unit); +void rbch_set_linktab(int unit, isdn_link_t *ilt); + +/* global linktab functions for IPR network driver */ + +drvr_link_t *ipr_ret_linktab(int unit); +void ipr_set_linktab(int unit, isdn_link_t *ilt); + +/* global linktab functions for TEL userland driver */ + +drvr_link_t *tel_ret_linktab(int unit); +void tel_set_linktab(int unit, isdn_link_t *ilt); + +/* global linktab functions for ISPPP userland driver */ + +drvr_link_t *i4bisppp_ret_linktab(int unit); +void i4bisppp_set_linktab(int unit, isdn_link_t *ilt); + +/*---------------------------------------------------------------------------* + * this structure describes one call/connection on one B-channel + * and all its parameters + *---------------------------------------------------------------------------*/ +typedef struct +{ + u_int cdid; /* call descriptor id */ + int controller; /* isdn controller number */ + int cr; /* call reference value */ + + int crflag; /* call reference flag */ +#define CRF_ORIG 0 /* originating side */ +#define CRF_DEST 1 /* destinating side */ + + int channelid; /* channel id value */ + int channelexcl; /* channel exclusive */ + + int bprot; /* B channel protocol BPROT_XXX */ + + int driver; /* driver to use for B channel */ + int driver_unit; /* unit for above driver number */ + + cause_t cause_in; /* cause value from NT */ + cause_t cause_out; /* cause value to NT */ + + int call_state; /* from incoming SETUP */ + + u_char dst_telno[TELNO_MAX]; /* destination number */ + u_char src_telno[TELNO_MAX]; /* source number */ + int scr_ind; /* screening ind for incoming call */ + + int Q931state; /* Q.931 state for call */ + int event; /* event to be processed */ + + int response; /* setup response type */ + + int T303; /* SETUP sent response timeout */ + int T303_first_to; /* first timeout flag */ + + int T305; /* DISC without PROG IND */ + + int T308; /* RELEASE sent response timeout*/ + int T308_first_to; /* first timeout flag */ + + int T309; /* data link disconnect timeout */ + + int T310; /* CALL PROC received */ + + int T313; /* CONNECT sent timeout */ + + int T400; /* L4 timeout */ + + isdn_link_t *ilt; /* isdn B channel linktab */ + drvr_link_t *dlt; /* driver linktab */ + + int dir; /* outgoing or incoming call */ +#define DIR_OUTGOING 0 +#define DIR_INCOMING 1 + + int timeout_active; /* idle timeout() active flag */ + +#if (defined(__FreeBSD_version) && __FreeBSD_version >= 300001) || \ + (!defined(__FreeBSD_version) && defined(__FreeBSD__) && __FreeBSD__ >= 3) + struct callout_handle idle_timeout_handle; + struct callout_handle T303_callout; + struct callout_handle T305_callout; + struct callout_handle T308_callout; + struct callout_handle T309_callout; + struct callout_handle T310_callout; + struct callout_handle T313_callout; + struct callout_handle T400_callout; + int callouts_inited; /* must init before use */ +#endif + + int idletime_state; /* wait for idle_time begin */ +#define IST_IDLE 0 /* shorthold mode disabled */ +#define IST_NONCHK 1 /* in non-checked window */ +#define IST_CHECK 2 /* in idle check window */ +#define IST_SAFE 3 /* in safety zone */ + + time_t idletimechk_start; /* check idletime window start */ + time_t connect_time; /* time connect was made */ + time_t last_active_time; /* last time with activity */ + + /* for incoming connections: */ + time_t max_idle_time; /* max time without activity */ + + /* for outgoing connections: */ + time_t unitlen_time; /* length of a charging unit */ + time_t idle_time; /* idle time before end of unit */ + time_t earlyhup_time; /* safety time zone at end of unit */ + + int aocd_flag; /* AOCD used for unitlength calc*/ + time_t last_aocd_time; /* last time AOCD received */ + int units; /* number of AOCD charging units*/ + int units_type; /* units type: AOCD, AOCE */ + int cunits; /* calculated units */ + + int isdntxdelay; /* isdn tx delay after connect */ + + u_char display[DISPLAY_MAX]; /* display information element */ + char datetime[DATETIME_MAX]; /* date/time information element*/ +} call_desc_t; + +extern call_desc_t call_desc[N_CALL_DESC]; + +/* forward decl. */ +struct isdn_diagnostic_request; +struct isdn_dr_prot; + +/*---------------------------------------------------------------------------* + * this structure "describes" one controller + *---------------------------------------------------------------------------*/ +typedef struct +{ + int unit; /* unit number of this contr. */ + int ctrl_type; /* controller type (CTRL_XXX) */ + int card_type; /* card manufacturer (CARD_XXX) */ + + int dl_est; /* layer 2 established */ +#define DL_DOWN 0 +#define DL_UP 1 + + int bch_state[2]; /* states of the b channels */ +#define BCH_ST_FREE 0 /* free to be used, idle */ +#define BCH_ST_RSVD 1 /* reserved, may become free or used */ +#define BCH_ST_USED 2 /* in use for data transfer */ + + int tei; /* current tei or -1 if invalid */ + + /* pointers to functions to be called from L4 */ + + void (*N_CONNECT_REQUEST) (unsigned int); + void (*N_CONNECT_RESPONSE) (unsigned int, int, int); + void (*N_DISCONNECT_REQUEST) (unsigned int, int); + void (*N_ALERT_REQUEST) (unsigned int); + void (*N_SET_TRACE) (int unit, int val); + int (*N_GET_TRACE) (int unit); + int (*N_DOWNLOAD) (int unit, int numprotos, struct isdn_dr_prot *protocols); + int (*N_DIAGNOSTICS) (int unit, struct isdn_diagnostic_request*); + void (*N_MGMT_COMMAND) (int unit, int cmd, int parm); +} ctrl_desc_t; + +extern ctrl_desc_t ctrl_desc[MAX_CONTROLLERS]; + +#endif /* _I4B_Q931_H_ */ |
