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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 29 /* 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 management */ #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 /* intern layer 2 */ #define DL_TIMER200_IND 0x7004 #define DL_TIMER203_IND 0x7304 #define DL_INTERN_MSG 0x7804 /* 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; } __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_RX_BUFFER 0x0008 #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_L1_TIMER3 0x0800 #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 /* special RX buffer value for MISDN_CTRL_RX_BUFFER request.p1 is the minimum * buffer size request.p2 the maximum. Using MISDN_CTRL_RX_SIZE_IGNORE will * not change the value, but still read back the actual stetting. */ #define MISDN_CTRL_RX_SIZE_IGNORE -1 /* 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); extern const char *mISDNDevName4ch(struct mISDNchannel *); #endif /* __KERNEL__ */ #endif /* mISDNIF_H */
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