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linux-sg2042/include/linux/mISDNif.h

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/*
*
* Author Karsten Keil <kkeil@novell.com>
*
* Copyright 2008 by Karsten Keil <kkeil@novell.com>
*
* This code is free software; you can redistribute it and/or modify
* it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE
* version 2.1 as published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU LESSER GENERAL PUBLIC LICENSE for more details.
*
*/
#ifndef mISDNIF_H
#define mISDNIF_H
#include <stdarg.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/socket.h>
/*
* ABI Version 32 bit
*
* <8 bit> Major version
* - changed if any interface become backwards incompatible
*
* <8 bit> Minor version
* - changed if any interface is extended but backwards compatible
*
* <16 bit> Release number
* - should be incremented on every checkin
*/
#define MISDN_MAJOR_VERSION 1
#define MISDN_MINOR_VERSION 1
#define MISDN_RELEASE 21
/* primitives for information exchange
* generell format
* <16 bit 0 >
* <8 bit command>
* BIT 8 = 1 LAYER private
* BIT 7 = 1 answer
* BIT 6 = 1 DATA
* <8 bit target layer mask>
*
* Layer = 00 is reserved for general commands
Layer = 01 L2 -> HW
Layer = 02 HW -> L2
Layer = 04 L3 -> L2
Layer = 08 L2 -> L3
* Layer = FF is reserved for broadcast commands
*/
#define MISDN_CMDMASK 0xff00
#define MISDN_LAYERMASK 0x00ff
/* generell commands */
#define OPEN_CHANNEL 0x0100
#define CLOSE_CHANNEL 0x0200
#define CONTROL_CHANNEL 0x0300
#define CHECK_DATA 0x0400
/* layer 2 -> layer 1 */
#define PH_ACTIVATE_REQ 0x0101
#define PH_DEACTIVATE_REQ 0x0201
#define PH_DATA_REQ 0x2001
#define MPH_ACTIVATE_REQ 0x0501
#define MPH_DEACTIVATE_REQ 0x0601
#define MPH_INFORMATION_REQ 0x0701
#define PH_CONTROL_REQ 0x0801
/* layer 1 -> layer 2 */
#define PH_ACTIVATE_IND 0x0102
#define PH_ACTIVATE_CNF 0x4102
#define PH_DEACTIVATE_IND 0x0202
#define PH_DEACTIVATE_CNF 0x4202
#define PH_DATA_IND 0x2002
#define PH_DATA_E_IND 0x3002
#define MPH_ACTIVATE_IND 0x0502
#define MPH_DEACTIVATE_IND 0x0602
#define MPH_INFORMATION_IND 0x0702
#define PH_DATA_CNF 0x6002
#define PH_CONTROL_IND 0x0802
#define PH_CONTROL_CNF 0x4802
/* layer 3 -> layer 2 */
#define DL_ESTABLISH_REQ 0x1004
#define DL_RELEASE_REQ 0x1104
#define DL_DATA_REQ 0x3004
#define DL_UNITDATA_REQ 0x3104
#define DL_INFORMATION_REQ 0x0004
/* layer 2 -> layer 3 */
#define DL_ESTABLISH_IND 0x1008
#define DL_ESTABLISH_CNF 0x5008
#define DL_RELEASE_IND 0x1108
#define DL_RELEASE_CNF 0x5108
#define DL_DATA_IND 0x3008
#define DL_UNITDATA_IND 0x3108
#define DL_INFORMATION_IND 0x0008
/* intern layer 2 managment */
#define MDL_ASSIGN_REQ 0x1804
#define MDL_ASSIGN_IND 0x1904
#define MDL_REMOVE_REQ 0x1A04
#define MDL_REMOVE_IND 0x1B04
#define MDL_STATUS_UP_IND 0x1C04
#define MDL_STATUS_DOWN_IND 0x1D04
#define MDL_STATUS_UI_IND 0x1E04
#define MDL_ERROR_IND 0x1F04
#define MDL_ERROR_RSP 0x5F04
/* DL_INFORMATION_IND types */
#define DL_INFO_L2_CONNECT 0x0001
#define DL_INFO_L2_REMOVED 0x0002
/* PH_CONTROL types */
/* TOUCH TONE IS 0x20XX XX "0"..."9", "A","B","C","D","*","#" */
#define DTMF_TONE_VAL 0x2000
#define DTMF_TONE_MASK 0x007F
#define DTMF_TONE_START 0x2100
#define DTMF_TONE_STOP 0x2200
#define DTMF_HFC_COEF 0x4000
#define DSP_CONF_JOIN 0x2403
#define DSP_CONF_SPLIT 0x2404
#define DSP_RECEIVE_OFF 0x2405
#define DSP_RECEIVE_ON 0x2406
#define DSP_ECHO_ON 0x2407
#define DSP_ECHO_OFF 0x2408
#define DSP_MIX_ON 0x2409
#define DSP_MIX_OFF 0x240a
#define DSP_DELAY 0x240b
#define DSP_JITTER 0x240c
#define DSP_TXDATA_ON 0x240d
#define DSP_TXDATA_OFF 0x240e
#define DSP_TX_DEJITTER 0x240f
#define DSP_TX_DEJ_OFF 0x2410
#define DSP_TONE_PATT_ON 0x2411
#define DSP_TONE_PATT_OFF 0x2412
#define DSP_VOL_CHANGE_TX 0x2413
#define DSP_VOL_CHANGE_RX 0x2414
#define DSP_BF_ENABLE_KEY 0x2415
#define DSP_BF_DISABLE 0x2416
#define DSP_BF_ACCEPT 0x2416
#define DSP_BF_REJECT 0x2417
#define DSP_PIPELINE_CFG 0x2418
#define HFC_VOL_CHANGE_TX 0x2601
#define HFC_VOL_CHANGE_RX 0x2602
#define HFC_SPL_LOOP_ON 0x2603
#define HFC_SPL_LOOP_OFF 0x2604
/* for T30 FAX and analog modem */
#define HW_MOD_FRM 0x4000
#define HW_MOD_FRH 0x4001
#define HW_MOD_FTM 0x4002
#define HW_MOD_FTH 0x4003
#define HW_MOD_FTS 0x4004
#define HW_MOD_CONNECT 0x4010
#define HW_MOD_OK 0x4011
#define HW_MOD_NOCARR 0x4012
#define HW_MOD_FCERROR 0x4013
#define HW_MOD_READY 0x4014
#define HW_MOD_LASTDATA 0x4015
/* DSP_TONE_PATT_ON parameter */
#define TONE_OFF 0x0000
#define TONE_GERMAN_DIALTONE 0x0001
#define TONE_GERMAN_OLDDIALTONE 0x0002
#define TONE_AMERICAN_DIALTONE 0x0003
#define TONE_GERMAN_DIALPBX 0x0004
#define TONE_GERMAN_OLDDIALPBX 0x0005
#define TONE_AMERICAN_DIALPBX 0x0006
#define TONE_GERMAN_RINGING 0x0007
#define TONE_GERMAN_OLDRINGING 0x0008
#define TONE_AMERICAN_RINGPBX 0x000b
#define TONE_GERMAN_RINGPBX 0x000c
#define TONE_GERMAN_OLDRINGPBX 0x000d
#define TONE_AMERICAN_RINGING 0x000e
#define TONE_GERMAN_BUSY 0x000f
#define TONE_GERMAN_OLDBUSY 0x0010
#define TONE_AMERICAN_BUSY 0x0011
#define TONE_GERMAN_HANGUP 0x0012
#define TONE_GERMAN_OLDHANGUP 0x0013
#define TONE_AMERICAN_HANGUP 0x0014
#define TONE_SPECIAL_INFO 0x0015
#define TONE_GERMAN_GASSENBESETZT 0x0016
#define TONE_GERMAN_AUFSCHALTTON 0x0016
/* MPH_INFORMATION_IND */
#define L1_SIGNAL_LOS_OFF 0x0010
#define L1_SIGNAL_LOS_ON 0x0011
#define L1_SIGNAL_AIS_OFF 0x0012
#define L1_SIGNAL_AIS_ON 0x0013
#define L1_SIGNAL_RDI_OFF 0x0014
#define L1_SIGNAL_RDI_ON 0x0015
#define L1_SIGNAL_SLIP_RX 0x0020
#define L1_SIGNAL_SLIP_TX 0x0021
/*
* protocol ids
* D channel 1-31
* B channel 33 - 63
*/
#define ISDN_P_NONE 0
#define ISDN_P_BASE 0
#define ISDN_P_TE_S0 0x01
#define ISDN_P_NT_S0 0x02
#define ISDN_P_TE_E1 0x03
#define ISDN_P_NT_E1 0x04
#define ISDN_P_TE_UP0 0x05
#define ISDN_P_NT_UP0 0x06
#define IS_ISDN_P_TE(p) ((p == ISDN_P_TE_S0) || (p == ISDN_P_TE_E1) || \
(p == ISDN_P_TE_UP0) || (p == ISDN_P_LAPD_TE))
#define IS_ISDN_P_NT(p) ((p == ISDN_P_NT_S0) || (p == ISDN_P_NT_E1) || \
(p == ISDN_P_NT_UP0) || (p == ISDN_P_LAPD_NT))
#define IS_ISDN_P_S0(p) ((p == ISDN_P_TE_S0) || (p == ISDN_P_NT_S0))
#define IS_ISDN_P_E1(p) ((p == ISDN_P_TE_E1) || (p == ISDN_P_NT_E1))
#define IS_ISDN_P_UP0(p) ((p == ISDN_P_TE_UP0) || (p == ISDN_P_NT_UP0))
#define ISDN_P_LAPD_TE 0x10
#define ISDN_P_LAPD_NT 0x11
#define ISDN_P_B_MASK 0x1f
#define ISDN_P_B_START 0x20
#define ISDN_P_B_RAW 0x21
#define ISDN_P_B_HDLC 0x22
#define ISDN_P_B_X75SLP 0x23
#define ISDN_P_B_L2DTMF 0x24
#define ISDN_P_B_L2DSP 0x25
#define ISDN_P_B_L2DSPHDLC 0x26
#define ISDN_P_B_T30_FAX 0x27
#define ISDN_P_B_MODEM_ASYNC 0x28
#define OPTION_L2_PMX 1
#define OPTION_L2_PTP 2
#define OPTION_L2_FIXEDTEI 3
#define OPTION_L2_CLEANUP 4
#define OPTION_L1_HOLD 5
/* should be in sync with linux/kobject.h:KOBJ_NAME_LEN */
#define MISDN_MAX_IDLEN 20
struct mISDNhead {
unsigned int prim;
unsigned int id;
} __attribute__((packed));
#define MISDN_HEADER_LEN sizeof(struct mISDNhead)
#define MAX_DATA_SIZE 2048
#define MAX_DATA_MEM (MAX_DATA_SIZE + MISDN_HEADER_LEN)
#define MAX_DFRAME_LEN 260
#define MISDN_ID_ADDR_MASK 0xFFFF
#define MISDN_ID_TEI_MASK 0xFF00
#define MISDN_ID_SAPI_MASK 0x00FF
#define MISDN_ID_TEI_ANY 0x7F00
#define MISDN_ID_ANY 0xFFFF
#define MISDN_ID_NONE 0xFFFE
#define GROUP_TEI 127
#define TEI_SAPI 63
#define CTRL_SAPI 0
#define MISDN_MAX_CHANNEL 127
#define MISDN_CHMAP_SIZE ((MISDN_MAX_CHANNEL + 1) >> 3)
#define SOL_MISDN 0
struct sockaddr_mISDN {
sa_family_t family;
unsigned char dev;
unsigned char channel;
unsigned char sapi;
unsigned char tei;
};
struct mISDNversion {
unsigned char major;
unsigned char minor;
unsigned short release;
};
struct mISDN_devinfo {
u_int id;
u_int Dprotocols;
u_int Bprotocols;
u_int protocol;
u_char channelmap[MISDN_CHMAP_SIZE];
u_int nrbchan;
char name[MISDN_MAX_IDLEN];
};
struct mISDN_devrename {
u_int id;
char name[MISDN_MAX_IDLEN]; /* new name */
};
/* MPH_INFORMATION_REQ payload */
struct ph_info_ch {
__u32 protocol;
__u64 Flags;
};
struct ph_info_dch {
struct ph_info_ch ch;
__u16 state;
__u16 num_bch;
};
struct ph_info {
struct ph_info_dch dch;
struct ph_info_ch bch[];
};
/* timer device ioctl */
#define IMADDTIMER _IOR('I', 64, int)
#define IMDELTIMER _IOR('I', 65, int)
/* socket ioctls */
#define IMGETVERSION _IOR('I', 66, int)
#define IMGETCOUNT _IOR('I', 67, int)
#define IMGETDEVINFO _IOR('I', 68, int)
#define IMCTRLREQ _IOR('I', 69, int)
#define IMCLEAR_L2 _IOR('I', 70, int)
#define IMSETDEVNAME _IOR('I', 71, struct mISDN_devrename)
#define IMHOLD_L1 _IOR('I', 72, int)
static inline int
test_channelmap(u_int nr, u_char *map)
{
if (nr <= MISDN_MAX_CHANNEL)
return map[nr >> 3] & (1 << (nr & 7));
else
return 0;
}
static inline void
set_channelmap(u_int nr, u_char *map)
{
map[nr >> 3] |= (1 << (nr & 7));
}
static inline void
clear_channelmap(u_int nr, u_char *map)
{
map[nr >> 3] &= ~(1 << (nr & 7));
}
/* CONTROL_CHANNEL parameters */
#define MISDN_CTRL_GETOP 0x0000
#define MISDN_CTRL_LOOP 0x0001
#define MISDN_CTRL_CONNECT 0x0002
#define MISDN_CTRL_DISCONNECT 0x0004
#define MISDN_CTRL_PCMCONNECT 0x0010
#define MISDN_CTRL_PCMDISCONNECT 0x0020
#define MISDN_CTRL_SETPEER 0x0040
#define MISDN_CTRL_UNSETPEER 0x0080
#define MISDN_CTRL_RX_OFF 0x0100
#define MISDN_CTRL_FILL_EMPTY 0x0200
#define MISDN_CTRL_GETPEER 0x0400
#define MISDN_CTRL_HW_FEATURES_OP 0x2000
#define MISDN_CTRL_HW_FEATURES 0x2001
#define MISDN_CTRL_HFC_OP 0x4000
#define MISDN_CTRL_HFC_PCM_CONN 0x4001
#define MISDN_CTRL_HFC_PCM_DISC 0x4002
#define MISDN_CTRL_HFC_CONF_JOIN 0x4003
#define MISDN_CTRL_HFC_CONF_SPLIT 0x4004
#define MISDN_CTRL_HFC_RECEIVE_OFF 0x4005
#define MISDN_CTRL_HFC_RECEIVE_ON 0x4006
#define MISDN_CTRL_HFC_ECHOCAN_ON 0x4007
#define MISDN_CTRL_HFC_ECHOCAN_OFF 0x4008
#define MISDN_CTRL_HFC_WD_INIT 0x4009
#define MISDN_CTRL_HFC_WD_RESET 0x400A
/* socket options */
#define MISDN_TIME_STAMP 0x0001
struct mISDN_ctrl_req {
int op;
int channel;
int p1;
int p2;
};
/* muxer options */
#define MISDN_OPT_ALL 1
#define MISDN_OPT_TEIMGR 2
#ifdef __KERNEL__
#include <linux/list.h>
#include <linux/skbuff.h>
#include <linux/net.h>
#include <net/sock.h>
#include <linux/completion.h>
#define DEBUG_CORE 0x000000ff
#define DEBUG_CORE_FUNC 0x00000002
#define DEBUG_SOCKET 0x00000004
#define DEBUG_MANAGER 0x00000008
#define DEBUG_SEND_ERR 0x00000010
#define DEBUG_MSG_THREAD 0x00000020
#define DEBUG_QUEUE_FUNC 0x00000040
#define DEBUG_L1 0x0000ff00
#define DEBUG_L1_FSM 0x00000200
#define DEBUG_L2 0x00ff0000
#define DEBUG_L2_FSM 0x00020000
#define DEBUG_L2_CTRL 0x00040000
#define DEBUG_L2_RECV 0x00080000
#define DEBUG_L2_TEI 0x00100000
#define DEBUG_L2_TEIFSM 0x00200000
#define DEBUG_TIMER 0x01000000
#define DEBUG_CLOCK 0x02000000
#define mISDN_HEAD_P(s) ((struct mISDNhead *)&s->cb[0])
#define mISDN_HEAD_PRIM(s) (((struct mISDNhead *)&s->cb[0])->prim)
#define mISDN_HEAD_ID(s) (((struct mISDNhead *)&s->cb[0])->id)
/* socket states */
#define MISDN_OPEN 1
#define MISDN_BOUND 2
#define MISDN_CLOSED 3
struct mISDNchannel;
struct mISDNdevice;
struct mISDNstack;
struct mISDNclock;
struct channel_req {
u_int protocol;
struct sockaddr_mISDN adr;
struct mISDNchannel *ch;
};
typedef int (ctrl_func_t)(struct mISDNchannel *, u_int, void *);
typedef int (send_func_t)(struct mISDNchannel *, struct sk_buff *);
typedef int (create_func_t)(struct channel_req *);
struct Bprotocol {
struct list_head list;
char *name;
u_int Bprotocols;
create_func_t *create;
};
struct mISDNchannel {
struct list_head list;
u_int protocol;
u_int nr;
u_long opt;
u_int addr;
struct mISDNstack *st;
struct mISDNchannel *peer;
send_func_t *send;
send_func_t *recv;
ctrl_func_t *ctrl;
};
struct mISDN_sock_list {
struct hlist_head head;
rwlock_t lock;
};
struct mISDN_sock {
struct sock sk;
struct mISDNchannel ch;
u_int cmask;
struct mISDNdevice *dev;
};
struct mISDNdevice {
struct mISDNchannel D;
u_int id;
u_int Dprotocols;
u_int Bprotocols;
u_int nrbchan;
u_char channelmap[MISDN_CHMAP_SIZE];
struct list_head bchannels;
struct mISDNchannel *teimgr;
struct device dev;
};
struct mISDNstack {
u_long status;
struct mISDNdevice *dev;
struct task_struct *thread;
struct completion *notify;
wait_queue_head_t workq;
struct sk_buff_head msgq;
struct list_head layer2;
struct mISDNchannel *layer1;
struct mISDNchannel own;
struct mutex lmutex; /* protect lists */
struct mISDN_sock_list l1sock;
#ifdef MISDN_MSG_STATS
u_int msg_cnt;
u_int sleep_cnt;
u_int stopped_cnt;
#endif
};
typedef int (clockctl_func_t)(void *, int);
struct mISDNclock {
struct list_head list;
char name[64];
int pri;
clockctl_func_t *ctl;
void *priv;
};
/* global alloc/queue functions */
static inline struct sk_buff *
mI_alloc_skb(unsigned int len, gfp_t gfp_mask)
{
struct sk_buff *skb;
skb = alloc_skb(len + MISDN_HEADER_LEN, gfp_mask);
if (likely(skb))
skb_reserve(skb, MISDN_HEADER_LEN);
return skb;
}
static inline struct sk_buff *
_alloc_mISDN_skb(u_int prim, u_int id, u_int len, void *dp, gfp_t gfp_mask)
{
struct sk_buff *skb = mI_alloc_skb(len, gfp_mask);
struct mISDNhead *hh;
if (!skb)
return NULL;
if (len)
memcpy(skb_put(skb, len), dp, len);
hh = mISDN_HEAD_P(skb);
hh->prim = prim;
hh->id = id;
return skb;
}
static inline void
_queue_data(struct mISDNchannel *ch, u_int prim,
u_int id, u_int len, void *dp, gfp_t gfp_mask)
{
struct sk_buff *skb;
if (!ch->peer)
return;
skb = _alloc_mISDN_skb(prim, id, len, dp, gfp_mask);
if (!skb)
return;
if (ch->recv(ch->peer, skb))
dev_kfree_skb(skb);
}
/* global register/unregister functions */
extern int mISDN_register_device(struct mISDNdevice *,
struct device *parent, char *name);
extern void mISDN_unregister_device(struct mISDNdevice *);
extern int mISDN_register_Bprotocol(struct Bprotocol *);
extern void mISDN_unregister_Bprotocol(struct Bprotocol *);
extern struct mISDNclock *mISDN_register_clock(char *, int, clockctl_func_t *,
void *);
extern void mISDN_unregister_clock(struct mISDNclock *);
static inline struct mISDNdevice *dev_to_mISDN(struct device *dev)
{
if (dev)
return dev_get_drvdata(dev);
else
return NULL;
}
extern void set_channel_address(struct mISDNchannel *, u_int, u_int);
extern void mISDN_clock_update(struct mISDNclock *, int, struct timeval *);
extern unsigned short mISDN_clock_get(void);
#endif /* __KERNEL__ */
#endif /* mISDNIF_H */
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