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freebsd/sys/i4b/capi/capi.h

131 lines
4.4 KiB
C

/*-
* Copyright (c) 2001 Cubical Solutions Ltd. 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.
*/
/* capi/capi.h The CAPI device interface.
*
* $FreeBSD$
*/
#ifndef _I4B_CAPI_H_
#define _I4B_CAPI_H_
/*
// CAPI driver context: B channels and controller softcs.
*/
#define INVALID -1
enum capi_b_state {
B_FREE, /* channel free, ncci invalid */
B_CONNECT_CONF, /* wait for CONNECT_CONF */
B_CONNECT_IND, /* IND got, wait for appl RESP */
B_CONNECT_ACTIVE_IND, /* wait for CONNECT_ACTIVE_IND */
B_CONNECT_B3_CONF, /* wait for CONNECT_B3_CONF */
B_CONNECT_B3_IND, /* wait for CONNECT_B3_IND */
B_CONNECT_B3_ACTIVE_IND, /* wait for CONNECT_B3_ACTIVE_IND */
B_CONNECTED, /* channel connected & in use */
B_DISCONNECT_CONF, /* wait for DISCONNECT_CONF */
B_DISCONNECT_B3_CONF, /* wait for DISCONNECT_B3_CONF */
B_DISCONNECT_IND, /* wait for DISCONNECT_IND */
};
typedef struct capi_bchan
{
/* Channel state */
int ncci;
#define CAPI_CTRL_MASK 0x000000ff
#define CAPI_PLCI_MASK 0x0000ffff
#define CAPI_NCCI_MASK 0xffff0000
u_int16_t msgid;
int busy;
enum capi_b_state state;
struct ifqueue tx_queue;
struct ifqueue rx_queue;
int rxcount;
int txcount;
/* The rest is needed for i4b integration */
int bprot;
int cdid;
struct mbuf *in_mbuf;
isdn_link_t capi_isdn_linktab;
drvr_link_t *capi_drvr_linktab;
} capi_bchan_t;
enum capi_c_state {
C_DOWN, /* controller uninitialized */
C_READY, /* controller initialized but not listening */
C_UP, /* controller listening */
};
typedef struct capi_softc {
int sc_unit; /* index in capi_sc[] */
int ctrl_unit; /* index in isdn_ctrl_tab[] */
int card_type; /* CARD_TYPEC_xxx, filled by ll driver */
int sc_nbch; /* number of b channels on this controller */
int sc_enabled; /* is daemon connected TRUE/FALSE */
int sc_msgid; /* next CAPI message id */
char sc_profile[64];/* CAPI profile data */
enum capi_c_state sc_state;
capi_bchan_t sc_bchan[MAX_BCHAN];
/* Link layer driver context holder and methods */
void *ctx;
int (*load)(struct capi_softc *, int, u_int8_t *);
int (*reg_appl)(struct capi_softc *, int, int);
int (*rel_appl)(struct capi_softc *, int);
int (*send)(struct capi_softc *, struct mbuf *);
} capi_softc_t;
extern capi_softc_t *capi_sc[];
extern int ncapi;
/*
// CAPI upcalls for the link layer.
*/
#define I4BCAPI_APPLID 1
extern int capi_ll_attach(capi_softc_t *);
extern int capi_ll_control(capi_softc_t *, int op, int arg);
#define CAPI_CTRL_READY 0 /* ctrl ready, value=TRUE/FALSE */
#define CAPI_CTRL_PROFILE 1 /* set CAPI profile */
#define CAPI_CTRL_NEW_NCCI 2 /* new ncci value, assign bchan */
#define CAPI_CTRL_FREE_NCCI 3 /* free ncci value, clear bchan */
extern int capi_ll_receive(capi_softc_t *, struct mbuf *);
extern int capi_start_tx(capi_softc_t *, int bchan);
#endif /* _I4B_CAPI_H_ */