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