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/* $Id: capi.h,v 1.6.6.2 2001/09/23 22:24:32 kai Exp $
*
* ISDN lowlevel-module for the IBM ISDN-S0 Active 2000.
*
* Author Fritz Elfert
* Copyright by Fritz Elfert <fritz@isdn4linux.de>
*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
* Thanks to Friedemann Baitinger and IBM Germany
*
*/
#ifndef CAPI_H
#define CAPI_H
/* Command-part of a CAPI message */
typedef struct actcapi_msgcmd {
__u8 cmd;
__u8 subcmd;
} actcapi_msgcmd;
/* CAPI message header */
typedef struct actcapi_msghdr {
__u16 len;
__u16 applicationID;
actcapi_msgcmd cmd;
__u16 msgnum;
} actcapi_msghdr;
/* CAPI message description (for debugging) */
typedef struct actcapi_msgdsc {
actcapi_msgcmd cmd;
char *description;
} actcapi_msgdsc;
/* CAPI Address */
typedef struct actcapi_addr {
__u8 len; /* Length of element */
__u8 tnp; /* Type/Numbering Plan */
__u8 num[20]; /* Caller ID */
} actcapi_addr;
/* CAPI INFO element mask */
typedef union actcapi_infonr { /* info number */
__u16 mask; /* info-mask field */
struct bmask { /* bit definitions */
unsigned codes:3; /* code set */
unsigned rsvd:5; /* reserved */
unsigned svind:1; /* single, variable length ind. */
unsigned wtype:7; /* W-element type */
} bmask;
} actcapi_infonr;
/* CAPI INFO element */
typedef union actcapi_infoel { /* info element */
__u8 len; /* length of info element */
__u8 display[40]; /* display contents */
__u8 uuinfo[40]; /* User-user info field */
struct cause { /* Cause information */
unsigned ext2:1; /* extension */
unsigned cod:2; /* coding standard */
unsigned spare:1; /* spare */
unsigned loc:4; /* location */
unsigned ext1:1; /* extension */
unsigned cval:7; /* Cause value */
} cause;
struct charge { /* Charging information */
__u8 toc; /* type of charging info */
__u8 unit[10]; /* charging units */
} charge;
__u8 date[20]; /* date fields */
__u8 stat; /* state of remote party */
} actcapi_infoel;
/* Message for EAZ<->MSN Mapping */
typedef struct actcapi_msn {
__u8 eaz;
__u8 len; /* Length of MSN */
__u8 msn[15];
} __attribute__((packed)) actcapi_msn;
typedef struct actcapi_dlpd {
__u8 len; /* Length of structure */
__u16 dlen; /* Data Length */
__u8 laa; /* Link Address A */
__u8 lab; /* Link Address B */
__u8 modulo; /* Modulo Mode */
__u8 win; /* Window size */
__u8 xid[100]; /* XID Information */
} __attribute__((packed)) actcapi_dlpd;
typedef struct actcapi_ncpd {
__u8 len; /* Length of structure */
__u16 lic;
__u16 hic;
__u16 ltc;
__u16 htc;
__u16 loc;
__u16 hoc;
__u8 modulo;
} __attribute__((packed)) actcapi_ncpd;
#define actcapi_ncpi actcapi_ncpd
/*
* Layout of NCCI field in a B3 DATA CAPI message is different from
* standard at act2000:
*
* Bit 0-4 = PLCI
* Bit 5-7 = Controller
* Bit 8-15 = NCCI
*/
#define MAKE_NCCI(plci, contr, ncci) \
((plci & 0x1f) | ((contr & 0x7) << 5) | ((ncci & 0xff) << 8))
#define EVAL_NCCI(fakencci, plci, contr, ncci) { \
plci = fakencci & 0x1f; \
contr = (fakencci >> 5) & 0x7; \
ncci = (fakencci >> 8) & 0xff; \
}
/*
* Layout of PLCI field in a B3 DATA CAPI message is different from
* standard at act2000:
*
* Bit 0-4 = PLCI
* Bit 5-7 = Controller
* Bit 8-15 = reserved (must be 0)
*/
#define MAKE_PLCI(plci, contr) \
((plci & 0x1f) | ((contr & 0x7) << 5))
#define EVAL_PLCI(fakeplci, plci, contr) { \
plci = fakeplci & 0x1f; \
contr = (fakeplci >> 5) & 0x7; \
}
typedef struct actcapi_msg {
actcapi_msghdr hdr;
union {
__u16 manuf_msg;
struct manufacturer_req_net {
__u16 manuf_msg;
__u16 controller;
__u8 nettype;
} manufacturer_req_net;
struct manufacturer_req_v42 {
__u16 manuf_msg;
__u16 controller;
__u32 v42control;
} manufacturer_req_v42;
struct manufacturer_conf_v42 {
__u16 manuf_msg;
__u16 controller;
} manufacturer_conf_v42;
struct manufacturer_req_err {
__u16 manuf_msg;
__u16 controller;
} manufacturer_req_err;
struct manufacturer_ind_err {
__u16 manuf_msg;
__u16 controller;
__u32 errcode;
__u8 errstring; /* actually up to 160 */
} manufacturer_ind_err;
struct manufacturer_req_msn {
__u16 manuf_msg;
__u16 controller;
actcapi_msn msnmap;
} __attribute ((packed)) manufacturer_req_msn;
/* TODO: TraceInit-req/conf/ind/resp and
* TraceDump-req/conf/ind/resp
*/
struct connect_req {
__u8 controller;
__u8 bchan;
__u32 infomask;
__u8 si1;
__u8 si2;
__u8 eaz;
actcapi_addr addr;
} __attribute__ ((packed)) connect_req;
struct connect_conf {
__u16 plci;
__u16 info;
} connect_conf;
struct connect_ind {
__u16 plci;
__u8 controller;
__u8 si1;
__u8 si2;
__u8 eaz;
actcapi_addr addr;
} __attribute__ ((packed)) connect_ind;
struct connect_resp {
__u16 plci;
__u8 rejectcause;
} connect_resp;
struct connect_active_ind {
__u16 plci;
actcapi_addr addr;
} __attribute__ ((packed)) connect_active_ind;
struct connect_active_resp {
__u16 plci;
} connect_active_resp;
struct connect_b3_req {
__u16 plci;
actcapi_ncpi ncpi;
} __attribute__ ((packed)) connect_b3_req;
struct connect_b3_conf {
__u16 plci;
__u16 ncci;
__u16 info;
} connect_b3_conf;
struct connect_b3_ind {
__u16 ncci;
__u16 plci;
actcapi_ncpi ncpi;
} __attribute__ ((packed)) connect_b3_ind;
struct connect_b3_resp {
__u16 ncci;
__u8 rejectcause;
actcapi_ncpi ncpi;
} __attribute__ ((packed)) connect_b3_resp;
struct disconnect_req {
__u16 plci;
__u8 cause;
} disconnect_req;
struct disconnect_conf {
__u16 plci;
__u16 info;
} disconnect_conf;
struct disconnect_ind {
__u16 plci;
__u16 info;
} disconnect_ind;
struct disconnect_resp {
__u16 plci;
} disconnect_resp;
struct connect_b3_active_ind {
__u16 ncci;
actcapi_ncpi ncpi;
} __attribute__ ((packed)) connect_b3_active_ind;
struct connect_b3_active_resp {
__u16 ncci;
} connect_b3_active_resp;
struct disconnect_b3_req {
__u16 ncci;
actcapi_ncpi ncpi;
} __attribute__ ((packed)) disconnect_b3_req;
struct disconnect_b3_conf {
__u16 ncci;
__u16 info;
} disconnect_b3_conf;
struct disconnect_b3_ind {
__u16 ncci;
__u16 info;
actcapi_ncpi ncpi;
} __attribute__ ((packed)) disconnect_b3_ind;
struct disconnect_b3_resp {
__u16 ncci;
} disconnect_b3_resp;
struct info_ind {
__u16 plci;
actcapi_infonr nr;
actcapi_infoel el;
} __attribute__ ((packed)) info_ind;
struct info_resp {
__u16 plci;
} info_resp;
struct listen_b3_req {
__u16 plci;
} listen_b3_req;
struct listen_b3_conf {
__u16 plci;
__u16 info;
} listen_b3_conf;
struct select_b2_protocol_req {
__u16 plci;
__u8 protocol;
actcapi_dlpd dlpd;
} __attribute__ ((packed)) select_b2_protocol_req;
struct select_b2_protocol_conf {
__u16 plci;
__u16 info;
} select_b2_protocol_conf;
struct select_b3_protocol_req {
__u16 plci;
__u8 protocol;
actcapi_ncpd ncpd;
} __attribute__ ((packed)) select_b3_protocol_req;
struct select_b3_protocol_conf {
__u16 plci;
__u16 info;
} select_b3_protocol_conf;
struct listen_req {
__u8 controller;
__u32 infomask;
__u16 eazmask;
__u16 simask;
} __attribute__ ((packed)) listen_req;
struct listen_conf {
__u8 controller;
__u16 info;
} __attribute__ ((packed)) listen_conf;
struct data_b3_req {
__u16 fakencci;
__u16 datalen;
__u32 unused;
__u8 blocknr;
__u16 flags;
} __attribute ((packed)) data_b3_req;
struct data_b3_ind {
__u16 fakencci;
__u16 datalen;
__u32 unused;
__u8 blocknr;
__u16 flags;
} __attribute__ ((packed)) data_b3_ind;
struct data_b3_resp {
__u16 ncci;
__u8 blocknr;
} __attribute__ ((packed)) data_b3_resp;
struct data_b3_conf {
__u16 ncci;
__u8 blocknr;
__u16 info;
} __attribute__ ((packed)) data_b3_conf;
} msg;
} __attribute__ ((packed)) actcapi_msg;
static inline unsigned short
actcapi_nextsmsg(act2000_card *card)
{
unsigned long flags;
unsigned short n;
spin_lock_irqsave(&card->mnlock, flags);
n = card->msgnum;
card->msgnum++;
card->msgnum &= 0x7fff;
spin_unlock_irqrestore(&card->mnlock, flags);
return n;
}
#define DEBUG_MSG
#undef DEBUG_DATA_MSG
#undef DEBUG_DUMP_SKB
extern int actcapi_chkhdr(act2000_card *, actcapi_msghdr *);
extern int actcapi_listen_req(act2000_card *);
extern int actcapi_manufacturer_req_net(act2000_card *);
extern int actcapi_manufacturer_req_errh(act2000_card *);
extern int actcapi_manufacturer_req_msn(act2000_card *);
extern int actcapi_connect_req(act2000_card *, act2000_chan *, char *, char, int, int);
extern void actcapi_select_b2_protocol_req(act2000_card *, act2000_chan *);
extern void actcapi_disconnect_b3_req(act2000_card *, act2000_chan *);
extern void actcapi_connect_resp(act2000_card *, act2000_chan *, __u8);
extern void actcapi_dispatch(struct work_struct *);
#ifdef DEBUG_MSG
extern void actcapi_debug_msg(struct sk_buff *skb, int);
#else
#define actcapi_debug_msg(skb, len)
#endif
#endif
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