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Diffstat (limited to 'include/linux/mISDNif.h')
| -rw-r--r-- | include/linux/mISDNif.h | 487 |
1 files changed, 487 insertions, 0 deletions
diff --git a/include/linux/mISDNif.h b/include/linux/mISDNif.h new file mode 100644 index 00000000000..5c948f33781 --- /dev/null +++ b/include/linux/mISDNif.h @@ -0,0 +1,487 @@ +/* + * + * 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 0 +#define MISDN_RELEASE 18 + +/* 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 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 + +/* 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_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 OPTION_L2_PMX 1 +#define OPTION_L2_PTP 2 +#define OPTION_L2_FIXEDTEI 3 +#define OPTION_L2_CLEANUP 4 + +/* 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_CHMAP_SIZE 4 + +#define SOL_MISDN 0 + +struct sockaddr_mISDN { + sa_family_t family; + unsigned char dev; + unsigned char channel; + unsigned char sapi; + unsigned char tei; +}; + +/* 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) + +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_long channelmap[MISDN_CHMAP_SIZE]; + u_int nrbchan; + char name[MISDN_MAX_IDLEN]; +}; + +/* 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_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 + + +/* 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 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 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; + char name[MISDN_MAX_IDLEN]; + u_int Dprotocols; + u_int Bprotocols; + u_int nrbchan; + u_long 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 +}; + +/* global alloc/queue dunctions */ + +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 *, char *name); +extern void mISDN_unregister_device(struct mISDNdevice *); +extern int mISDN_register_Bprotocol(struct Bprotocol *); +extern void mISDN_unregister_Bprotocol(struct Bprotocol *); + +extern void set_channel_address(struct mISDNchannel *, u_int, u_int); + +#endif /* __KERNEL__ */ +#endif /* mISDNIF_H */ |