WebSVN - shark - Blame - Rev 422 - /shark/trunk/drivers/linuxc26/include/linux/isdnif.h

Rev	Author	Line No.	Line
422	giacomo	1	/* $Id: isdnif.h,v 1.1 2004-01-28 15:25:45 giacomo Exp $
		2	*
		3	* Linux ISDN subsystem
		4	* Definition of the interface between the subsystem and its low-level drivers.
		5	*
		6	* Copyright 1994,95,96 by Fritz Elfert (fritz@isdn4linux.de)
		7	* Copyright 1995,96 Thinking Objects Software GmbH Wuerzburg
		8	*
		9	* This software may be used and distributed according to the terms
		10	* of the GNU General Public License, incorporated herein by reference.
		11	*
		12	*/
		13
		14	#ifndef __ISDNIF_H__
		15	#define __ISDNIF_H__
		16
		17
		18	/*
		19	* Values for general protocol-selection
		20	*/
		21	#define ISDN_PTYPE_UNKNOWN 0 /* Protocol undefined */
		22	#define ISDN_PTYPE_1TR6 1 /* german 1TR6-protocol */
		23	#define ISDN_PTYPE_EURO 2 /* EDSS1-protocol */
		24	#define ISDN_PTYPE_LEASED 3 /* for leased lines */
		25	#define ISDN_PTYPE_NI1 4 /* US NI-1 protocol */
		26	#define ISDN_PTYPE_MAX 7 /* Max. 8 Protocols */
		27
		28	/*
		29	* Values for Layer-2-protocol-selection
		30	*/
		31	#define ISDN_PROTO_L2_X75I 0 /* X75/LAPB with I-Frames */
		32	#define ISDN_PROTO_L2_X75UI 1 /* X75/LAPB with UI-Frames */
		33	#define ISDN_PROTO_L2_X75BUI 2 /* X75/LAPB with UI-Frames */
		34	#define ISDN_PROTO_L2_HDLC 3 /* HDLC */
		35	#define ISDN_PROTO_L2_TRANS 4 /* Transparent (Voice) */
		36	#define ISDN_PROTO_L2_X25DTE 5 /* X25/LAPB DTE mode */
		37	#define ISDN_PROTO_L2_X25DCE 6 /* X25/LAPB DCE mode */
		38	#define ISDN_PROTO_L2_V11096 7 /* V.110 bitrate adaption 9600 Baud */
		39	#define ISDN_PROTO_L2_V11019 8 /* V.110 bitrate adaption 19200 Baud */
		40	#define ISDN_PROTO_L2_V11038 9 /* V.110 bitrate adaption 38400 Baud */
		41	#define ISDN_PROTO_L2_MODEM 10 /* Analog Modem on Board */
		42	#define ISDN_PROTO_L2_FAX 11 /* Fax Group 2/3 */
		43	#define ISDN_PROTO_L2_HDLC_56K 12 /* HDLC 56k */
		44	#define ISDN_PROTO_L2_MAX 15 /* Max. 16 Protocols */
		45
		46	/*
		47	* Values for Layer-3-protocol-selection
		48	*/
		49	#define ISDN_PROTO_L3_TRANS 0 /* Transparent */
		50	#define ISDN_PROTO_L3_TRANSDSP 1 /* Transparent with DSP */
		51	#define ISDN_PROTO_L3_FCLASS2 2 /* Fax Group 2/3 CLASS 2 */
		52	#define ISDN_PROTO_L3_FCLASS1 3 /* Fax Group 2/3 CLASS 1 */
		53	#define ISDN_PROTO_L3_MAX 7 /* Max. 8 Protocols */
		54
		55	#ifdef __KERNEL__
		56
		57	#include <linux/config.h>
		58	#include <linux/skbuff.h>
		59
		60	/***************************************************************************/
		61	/* Extensions made by Werner Cornelius (werner@ikt.de) */
		62	/* */
		63	/* The proceed command holds a incoming call in a state to leave processes */
		64	/* enough time to check whether ist should be accepted. */
		65	/* The PROT_IO Command extends the interface to make protocol dependent */
		66	/* features available (call diversion, call waiting...). */
		67	/* */
		68	/* The PROT_IO Command is executed with the desired driver id and the arg */
		69	/* parameter coded as follows: */
		70	/* The lower 8 bits of arg contain the desired protocol from ISDN_PTYPE */
		71	/* definitions. The upper 24 bits represent the protocol specific cmd/stat.*/
		72	/* Any additional data is protocol and command specific. */
		73	/* This mechanism also applies to the statcallb callback STAT_PROT. */
		74	/* */
		75	/* This suggested extension permits an easy expansion of protocol specific */
		76	/* handling. Extensions may be added at any time without changing the HL */
		77	/* driver code and not getting conflicts without certifications. */
		78	/* The well known CAPI 2.0 interface handles such extensions in a similar */
		79	/* way. Perhaps a protocol specific module may be added and separately */
		80	/* loaded and linked to the basic isdn module for handling. */
		81	/***************************************************************************/
		82
		83	/*****************/
		84	/* DSS1 commands */
		85	/*****************/
		86	#define DSS1_CMD_INVOKE ((0x00 << 8) \| ISDN_PTYPE_EURO) /* invoke a supplementary service */
		87	#define DSS1_CMD_INVOKE_ABORT ((0x01 << 8) \| ISDN_PTYPE_EURO) /* abort a invoke cmd */
		88
		89	/*******************************/
		90	/* DSS1 Status callback values */
		91	/*******************************/
		92	#define DSS1_STAT_INVOKE_RES ((0x80 << 8) \| ISDN_PTYPE_EURO) /* Result for invocation */
		93	#define DSS1_STAT_INVOKE_ERR ((0x81 << 8) \| ISDN_PTYPE_EURO) /* Error Return for invocation */
		94	#define DSS1_STAT_INVOKE_BRD ((0x82 << 8) \| ISDN_PTYPE_EURO) /* Deliver invoke broadcast info */
		95
		96
		97	/*********************************************************************/
		98	/* structures for DSS1 commands and callback */
		99	/* */
		100	/* An action is invoked by sending a DSS1_CMD_INVOKE. The ll_id, proc*/
		101	/* timeout, datalen and data fields must be set before calling. */
		102	/* */
		103	/* The return value is a positive hl_id value also delivered in the */
		104	/* hl_id field. A value of zero signals no more left hl_id capacitys.*/
		105	/* A negative return value signals errors in LL. So if the return */
		106	/* value is <= 0 no action in LL will be taken -> request ignored */
		107	/* */
		108	/* The timeout field must be filled with a positive value specifying */
		109	/* the amount of time the INVOKED process waits for a reaction from */
		110	/* the network. */
		111	/* If a response (either error or result) is received during this */
		112	/* intervall, a reporting callback is initiated and the process will */
		113	/* be deleted, the hl identifier will be freed. */
		114	/* If no response is received during the specified intervall, a error*/
		115	/* callback is initiated with timeout set to -1 and a datalen set */
		116	/* to 0. */
		117	/* If timeout is set to a value <= 0 during INVOCATION the process is*/
		118	/* immediately deleted after sending the data. No callback occurs ! */
		119	/* */
		120	/* A currently waiting process may be aborted with INVOKE_ABORT. No */
		121	/* callback will occur when a process has been aborted. */
		122	/* */
		123	/* Broadcast invoke frames from the network are reported via the */
		124	/* STAT_INVOKE_BRD callback. The ll_id is set to 0, the other fields */
		125	/* are supplied by the network and not by the HL. */
		126	/*********************************************************************/
		127
		128	/*****************/
		129	/* NI1 commands */
		130	/*****************/
		131	#define NI1_CMD_INVOKE ((0x00 << 8) \| ISDN_PTYPE_NI1) /* invoke a supplementary service */
		132	#define NI1_CMD_INVOKE_ABORT ((0x01 << 8) \| ISDN_PTYPE_NI1) /* abort a invoke cmd */
		133
		134	/*******************************/
		135	/* NI1 Status callback values */
		136	/*******************************/
		137	#define NI1_STAT_INVOKE_RES ((0x80 << 8) \| ISDN_PTYPE_NI1) /* Result for invocation */
		138	#define NI1_STAT_INVOKE_ERR ((0x81 << 8) \| ISDN_PTYPE_NI1) /* Error Return for invocation */
		139	#define NI1_STAT_INVOKE_BRD ((0x82 << 8) \| ISDN_PTYPE_NI1) /* Deliver invoke broadcast info */
		140
		141	typedef struct
		142	{ ulong ll_id; /* ID supplied by LL when executing */
		143	/* a command and returned by HL for */
		144	/* INVOKE_RES and INVOKE_ERR */
		145	int hl_id; /* ID supplied by HL when called */
		146	/* for executing a cmd and delivered */
		147	/* for results and errors */
		148	/* must be supplied by LL when aborting*/
		149	int proc; /* invoke procedure used by CMD_INVOKE */
		150	/* returned by callback and broadcast */
		151	int timeout; /* timeout for INVOKE CMD in ms */
		152	/* -1 in stat callback when timed out */
		153	/* error value when error callback */
		154	int datalen; /* length of cmd or stat data */
		155	u_char data;/ pointer to data delivered or send */
		156	} isdn_cmd_stat;
		157
		158	/*
		159	* Commands from linklevel to lowlevel
		160	*
		161	*/
		162	#define ISDN_CMD_IOCTL 0 /* Perform ioctl */
		163	#define ISDN_CMD_DIAL 1 /* Dial out */
		164	#define ISDN_CMD_ACCEPTD 2 /* Accept an incoming call on D-Chan. */
		165	#define ISDN_CMD_ACCEPTB 3 /* Request B-Channel connect. */
		166	#define ISDN_CMD_HANGUP 4 /* Hangup */
		167	#define ISDN_CMD_CLREAZ 5 /* Clear EAZ(s) of channel */
		168	#define ISDN_CMD_SETEAZ 6 /* Set EAZ(s) of channel */
		169	#define ISDN_CMD_SETL2 10 /* Set B-Chan. Layer2-Parameter */
		170	#define ISDN_CMD_SETL3 12 /* Set B-Chan. Layer3-Parameter */
		171	#define ISDN_CMD_PROCEED 18 /* Proceed with call establishment */
		172	#define ISDN_CMD_ALERT 19 /* Alert after Proceeding */
		173	#define ISDN_CMD_REDIR 20 /* Redir a incoming call */
		174	#define ISDN_CMD_PROT_IO 21 /* Protocol specific commands */
		175	#define CAPI_PUT_MESSAGE 22 /* CAPI message send down or up */
		176	#define ISDN_CMD_FAXCMD 23 /* FAX commands to HL-driver */
		177	#define ISDN_CMD_AUDIO 24 /* DSP, DTMF, ... settings */
		178
		179	/*
		180	* Status-Values delivered from lowlevel to linklevel via
		181	* statcallb().
		182	*
		183	*/
		184	#define ISDN_STAT_STAVAIL 256 /* Raw status-data available */
		185	#define ISDN_STAT_ICALL 257 /* Incoming call detected */
		186	#define ISDN_STAT_RUN 258 /* Signal protocol-code is running */
		187	#define ISDN_STAT_STOP 259 /* Signal halt of protocol-code */
		188	#define ISDN_STAT_DCONN 260 /* Signal D-Channel connect */
		189	#define ISDN_STAT_BCONN 261 /* Signal B-Channel connect */
		190	#define ISDN_STAT_DHUP 262 /* Signal D-Channel disconnect */
		191	#define ISDN_STAT_BHUP 263 /* Signal B-Channel disconnect */
		192	#define ISDN_STAT_CINF 264 /* Charge-Info */
		193	#define ISDN_STAT_LOAD 265 /* Signal new lowlevel-driver is loaded */
		194	#define ISDN_STAT_UNLOAD 266 /* Signal unload of lowlevel-driver */
		195	#define ISDN_STAT_BSENT 267 /* Signal packet sent */
		196	#define ISDN_STAT_ADDCH 269 /* Add more Channels */
		197	#define ISDN_STAT_CAUSE 270 /* Cause-Message */
		198	#define ISDN_STAT_ICALLW 271 /* Incoming call without B-chan waiting */
		199	#define ISDN_STAT_REDIR 272 /* Redir result */
		200	#define ISDN_STAT_PROT 273 /* protocol IO specific callback */
		201	#define ISDN_STAT_DISPLAY 274 /* deliver a received display message */
		202	#define ISDN_STAT_FAXIND 276 /* FAX indications from HL-driver */
		203	#define ISDN_STAT_AUDIO 277 /* DTMF, DSP indications */
		204	#define ISDN_STAT_DISCH 278 /* Disable/Enable channel usage */
		205
		206	/*
		207	* Audio commands
		208	*/
		209	#define ISDN_AUDIO_SETDD 0 /* Set DTMF detection */
		210	#define ISDN_AUDIO_DTMF 1 /* Rx/Tx DTMF */
		211
		212	/*
		213	* Values for feature-field of interface-struct.
		214	*/
		215	/* Layer 2 */
		216	#define ISDN_FEATURE_L2_X75I (0x0001 << ISDN_PROTO_L2_X75I)
		217	#define ISDN_FEATURE_L2_X75UI (0x0001 << ISDN_PROTO_L2_X75UI)
		218	#define ISDN_FEATURE_L2_X75BUI (0x0001 << ISDN_PROTO_L2_X75BUI)
		219	#define ISDN_FEATURE_L2_HDLC (0x0001 << ISDN_PROTO_L2_HDLC)
		220	#define ISDN_FEATURE_L2_TRANS (0x0001 << ISDN_PROTO_L2_TRANS)
		221	#define ISDN_FEATURE_L2_X25DTE (0x0001 << ISDN_PROTO_L2_X25DTE)
		222	#define ISDN_FEATURE_L2_X25DCE (0x0001 << ISDN_PROTO_L2_X25DCE)
		223	#define ISDN_FEATURE_L2_V11096 (0x0001 << ISDN_PROTO_L2_V11096)
		224	#define ISDN_FEATURE_L2_V11019 (0x0001 << ISDN_PROTO_L2_V11019)
		225	#define ISDN_FEATURE_L2_V11038 (0x0001 << ISDN_PROTO_L2_V11038)
		226	#define ISDN_FEATURE_L2_MODEM (0x0001 << ISDN_PROTO_L2_MODEM)
		227	#define ISDN_FEATURE_L2_FAX (0x0001 << ISDN_PROTO_L2_FAX)
		228	#define ISDN_FEATURE_L2_HDLC_56K (0x0001 << ISDN_PROTO_L2_HDLC_56K)
		229
		230	#define ISDN_FEATURE_L2_MASK (0x0FFFF) /* Max. 16 protocols */
		231	#define ISDN_FEATURE_L2_SHIFT (0)
		232
		233	/* Layer 3 */
		234	#define ISDN_FEATURE_L3_TRANS (0x10000 << ISDN_PROTO_L3_TRANS)
		235	#define ISDN_FEATURE_L3_TRANSDSP (0x10000 << ISDN_PROTO_L3_TRANSDSP)
		236	#define ISDN_FEATURE_L3_FCLASS2 (0x10000 << ISDN_PROTO_L3_FCLASS2)
		237	#define ISDN_FEATURE_L3_FCLASS1 (0x10000 << ISDN_PROTO_L3_FCLASS1)
		238
		239	#define ISDN_FEATURE_L3_MASK (0x0FF0000) /* Max. 8 Protocols */
		240	#define ISDN_FEATURE_L3_SHIFT (16)
		241
		242	/* Signaling */
		243	#define ISDN_FEATURE_P_UNKNOWN (0x1000000 << ISDN_PTYPE_UNKNOWN)
		244	#define ISDN_FEATURE_P_1TR6 (0x1000000 << ISDN_PTYPE_1TR6)
		245	#define ISDN_FEATURE_P_EURO (0x1000000 << ISDN_PTYPE_EURO)
		246	#define ISDN_FEATURE_P_NI1 (0x1000000 << ISDN_PTYPE_NI1)
		247
		248	#define ISDN_FEATURE_P_MASK (0x0FF000000) /* Max. 8 Protocols */
		249	#define ISDN_FEATURE_P_SHIFT (24)
		250
		251	typedef struct setup_parm {
		252	unsigned char phone[32]; /* Remote Phone-Number */
		253	unsigned char eazmsn[32]; /* Local EAZ or MSN */
		254	unsigned char si1; /* Service Indicator 1 */
		255	unsigned char si2; /* Service Indicator 2 */
		256	unsigned char plan; /* Numbering plan */
		257	unsigned char screen; /* Screening info */
		258	} setup_parm;
		259
		260
		261	/* T.30 Fax G3 */
		262
		263	#define FAXIDLEN 21
		264
		265	typedef struct T30_s {
		266	/* session parameters */
		267	__u8 resolution __attribute__ ((packed));
		268	__u8 rate __attribute__ ((packed));
		269	__u8 width __attribute__ ((packed));
		270	__u8 length __attribute__ ((packed));
		271	__u8 compression __attribute__ ((packed));
		272	__u8 ecm __attribute__ ((packed));
		273	__u8 binary __attribute__ ((packed));
		274	__u8 scantime __attribute__ ((packed));
		275	__u8 id[FAXIDLEN] __attribute__ ((packed));
		276	/* additional parameters */
		277	__u8 phase __attribute__ ((packed));
		278	__u8 direction __attribute__ ((packed));
		279	__u8 code __attribute__ ((packed));
		280	__u8 badlin __attribute__ ((packed));
		281	__u8 badmul __attribute__ ((packed));
		282	__u8 bor __attribute__ ((packed));
		283	__u8 fet __attribute__ ((packed));
		284	__u8 pollid[FAXIDLEN] __attribute__ ((packed));
		285	__u8 cq __attribute__ ((packed));
		286	__u8 cr __attribute__ ((packed));
		287	__u8 ctcrty __attribute__ ((packed));
		288	__u8 minsp __attribute__ ((packed));
		289	__u8 phcto __attribute__ ((packed));
		290	__u8 rel __attribute__ ((packed));
		291	__u8 nbc __attribute__ ((packed));
		292	/* remote station parameters */
		293	__u8 r_resolution __attribute__ ((packed));
		294	__u8 r_rate __attribute__ ((packed));
		295	__u8 r_width __attribute__ ((packed));
		296	__u8 r_length __attribute__ ((packed));
		297	__u8 r_compression __attribute__ ((packed));
		298	__u8 r_ecm __attribute__ ((packed));
		299	__u8 r_binary __attribute__ ((packed));
		300	__u8 r_scantime __attribute__ ((packed));
		301	__u8 r_id[FAXIDLEN] __attribute__ ((packed));
		302	__u8 r_code __attribute__ ((packed));
		303	} T30_s;
		304
		305	#define ISDN_TTY_FAX_CONN_IN 0
		306	#define ISDN_TTY_FAX_CONN_OUT 1
		307
		308	#define ISDN_TTY_FAX_FCON 0
		309	#define ISDN_TTY_FAX_DIS 1
		310	#define ISDN_TTY_FAX_FTT 2
		311	#define ISDN_TTY_FAX_MCF 3
		312	#define ISDN_TTY_FAX_DCS 4
		313	#define ISDN_TTY_FAX_TRAIN_OK 5
		314	#define ISDN_TTY_FAX_EOP 6
		315	#define ISDN_TTY_FAX_EOM 7
		316	#define ISDN_TTY_FAX_MPS 8
		317	#define ISDN_TTY_FAX_DTC 9
		318	#define ISDN_TTY_FAX_RID 10
		319	#define ISDN_TTY_FAX_HNG 11
		320	#define ISDN_TTY_FAX_DT 12
		321	#define ISDN_TTY_FAX_FCON_I 13
		322	#define ISDN_TTY_FAX_DR 14
		323	#define ISDN_TTY_FAX_ET 15
		324	#define ISDN_TTY_FAX_CFR 16
		325	#define ISDN_TTY_FAX_PTS 17
		326	#define ISDN_TTY_FAX_SENT 18
		327
		328	#define ISDN_FAX_PHASE_IDLE 0
		329	#define ISDN_FAX_PHASE_A 1
		330	#define ISDN_FAX_PHASE_B 2
		331	#define ISDN_FAX_PHASE_C 3
		332	#define ISDN_FAX_PHASE_D 4
		333	#define ISDN_FAX_PHASE_E 5
		334
		335	#define ISDN_FAX_CLASS1_FAE 0
		336	#define ISDN_FAX_CLASS1_FTS 1
		337	#define ISDN_FAX_CLASS1_FRS 2
		338	#define ISDN_FAX_CLASS1_FTM 3
		339	#define ISDN_FAX_CLASS1_FRM 4
		340	#define ISDN_FAX_CLASS1_FTH 5
		341	#define ISDN_FAX_CLASS1_FRH 6
		342	#define ISDN_FAX_CLASS1_CTRL 7
		343
		344	#define ISDN_FAX_CLASS1_OK 0
		345	#define ISDN_FAX_CLASS1_CONNECT 1
		346	#define ISDN_FAX_CLASS1_NOCARR 2
		347	#define ISDN_FAX_CLASS1_ERROR 3
		348	#define ISDN_FAX_CLASS1_FCERROR 4
		349	#define ISDN_FAX_CLASS1_QUERY 5
		350
		351	typedef struct {
		352	__u8 cmd;
		353	__u8 subcmd;
		354	__u8 para[50];
		355	} aux_s;
		356
		357	#define AT_COMMAND 0
		358	#define AT_EQ_VALUE 1
		359	#define AT_QUERY 2
		360	#define AT_EQ_QUERY 3
		361
		362	/* CAPI structs */
		363
		364	/* this is compatible to the old union size */
		365	#define MAX_CAPI_PARA_LEN 50
		366
		367	typedef struct {
		368	/* Header */
		369	__u16 Length;
		370	__u16 ApplId;
		371	__u8 Command;
		372	__u8 Subcommand;
		373	__u16 Messagenumber;
		374
		375	/* Parameter */
		376	union {
		377	__u32 Controller;
		378	__u32 PLCI;
		379	__u32 NCCI;
		380	} adr;
		381	__u8 para[MAX_CAPI_PARA_LEN];
		382	} capi_msg;
		383
		384	/*
		385	* Structure for exchanging above infos
		386	*
		387	*/
		388	typedef struct {
		389	int driver; /* Lowlevel-Driver-ID */
		390	int command; /* Command or Status (see above) */
		391	ulong arg; /* Additional Data */
		392	union {
		393	ulong errcode; /* Type of error with STAT_L1ERR */
		394	int length; /* Amount of bytes sent with STAT_BSENT */
		395	u_char num[50]; /* Additional Data */
		396	setup_parm setup;/* For SETUP msg */
		397	capi_msg cmsg; /* For CAPI like messages */
		398	char display[85];/* display message data */
		399	isdn_cmd_stat isdn_io; /* ISDN IO-parameter/result */
		400	aux_s aux; /* for modem commands/indications */
		401	T30_s fax; / Pointer to ttys fax struct */
		402	ulong userdata; /* User Data */
		403	} parm;
		404	} isdn_ctrl;
		405
		406	#define dss1_io isdn_io
		407	#define ni1_io isdn_io
		408
		409	/*
		410	* The interface-struct itself (initialized at load-time of lowlevel-driver)
		411	*
		412	* See Documentation/isdn/INTERFACE for a description, how the communication
		413	* between the ISDN subsystem and its drivers is done.
		414	*
		415	*/
		416	typedef struct {
		417	struct module *owner;
		418
		419	/* Number of channels supported by this driver
		420	*/
		421	int channels;
		422
		423	/*
		424	* Maximum Size of transmit/receive-buffer this driver supports.
		425	*/
		426	int maxbufsize;
		427
		428	/* Feature-Flags for this driver.
		429	* See defines ISDN_FEATURE_... for Values
		430	*/
		431	unsigned long features;
		432
		433	/*
		434	* Needed for calculating
		435	* dev->hard_header_len = linklayer header + hl_hdrlen;
		436	* Drivers, not supporting sk_buff's should set this to 0.
		437	*/
		438	unsigned short hl_hdrlen;
		439
		440	/*
		441	* Receive-Callback using sk_buff's
		442	* Parameters:
		443	* int Driver-ID
		444	* int local channel-number (0 ...)
		445	* struct sk_buff *skb received Data
		446	*/
		447	void (rcvcallb_skb)(int, int, struct sk_buff );
		448
		449	/* Status-Callback
		450	* Parameters:
		451	* isdn_ctrl*
		452	* driver = Driver ID.
		453	* command = One of above ISDN_STAT_... constants.
		454	* arg = depending on status-type.
		455	* num = depending on status-type.
		456	*/
		457	int (statcallb)(isdn_ctrl);
		458
		459	/* Send command
		460	* Parameters:
		461	* isdn_ctrl*
		462	* driver = Driver ID.
		463	* command = One of above ISDN_CMD_... constants.
		464	* arg = depending on command.
		465	* num = depending on command.
		466	*/
		467	int (command)(isdn_ctrl);
		468
		469	/*
		470	* Send data using sk_buff's
		471	* Parameters:
		472	* int driverId
		473	* int local channel-number (0...)
		474	* int Flag: Need ACK for this packet.
		475	* struct sk_buff *skb Data to send
		476	*/
		477	int (writebuf_skb) (int, int, int, struct sk_buff );
		478
		479	/* Send raw D-Channel-Commands
		480	* Parameters:
		481	* u_char pointer data
		482	* int length of data
		483	* int Flag: 0 = Call form Kernel-Space (use memcpy,
		484	* no schedule allowed)
		485	* 1 = Data is in User-Space (use memcpy_fromfs,
		486	* may schedule)
		487	* int driverId
		488	* int local channel-number (0 ...)
		489	*/
		490	int (writecmd)(const u_char, int, int, int, int);
		491
		492	/* Read raw Status replies
		493	* u_char pointer data (volatile)
		494	* int length of buffer
		495	* int Flag: 0 = Call form Kernel-Space (use memcpy,
		496	* no schedule allowed)
		497	* 1 = Data is in User-Space (use memcpy_fromfs,
		498	* may schedule)
		499	* int driverId
		500	* int local channel-number (0 ...)
		501	*/
		502	int (readstat)(u_char, int, int, int, int);
		503
		504	char id[20];
		505	} isdn_if;
		506
		507	/*
		508	* Function which must be called by lowlevel-driver at loadtime with
		509	* the following fields of above struct set:
		510	*
		511	* channels Number of channels that will be supported.
		512	* hl_hdrlen Space to preserve in sk_buff's when sending. Drivers, not
		513	* supporting sk_buff's should set this to 0.
		514	* command Address of Command-Handler.
		515	* features Bitwise coded Features of this driver. (use ISDN_FEATURE_...)
		516	* writebuf_skb Address of Skbuff-Send-Handler.
		517	* writecmd " " D-Channel " which accepts raw D-Ch-Commands.
		518	* readstat " " D-Channel " which delivers raw Status-Data.
		519	*
		520	* The linklevel-driver fills the following fields:
		521	*
		522	* channels Driver-ID assigned to this driver. (Must be used on all
		523	* subsequent callbacks.
		524	* rcvcallb_skb Address of handler for received Skbuff's.
		525	* statcallb " " " for status-changes.
		526	*
		527	*/
		528	extern int register_isdn(isdn_if*);
		529	#include <asm/uaccess.h>
		530
		531	#endif /* __KERNEL__ */
		532
		533	#endif /* __ISDNIF_H__ */

Subversion Repositories shark

(root)/shark/trunk/drivers/linuxc26/include/linux/isdnif.h - Rev 422