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authorKarsten Keil <kkeil@suse.de>2008-07-27 01:54:58 +0200
committerKarsten Keil <kkeil@suse.de>2008-07-27 01:54:58 +0200
commit1b2b03f8e514e4f68e293846ba511a948b80243c (patch)
tree5ffb07d532afca95170ea0615bb74af78b0d0483 /include
parent04578dd330f1ec6bc9c4233833bee0d0ca73ff09 (diff)
Add mISDN core files
Add mISDN core files Signed-off-by: Karsten Keil <kkeil@suse.de>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mISDNhw.h193
-rw-r--r--include/linux/mISDNif.h487
2 files changed, 680 insertions, 0 deletions
diff --git a/include/linux/mISDNhw.h b/include/linux/mISDNhw.h
new file mode 100644
index 00000000000..e794dfb8750
--- /dev/null
+++ b/include/linux/mISDNhw.h
@@ -0,0 +1,193 @@
+/*
+ *
+ * Author Karsten Keil <kkeil@novell.com>
+ *
+ * Basic declarations for the mISDN HW channels
+ *
+ * Copyright 2008 by Karsten Keil <kkeil@novell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ */
+
+#ifndef MISDNHW_H
+#define MISDNHW_H
+#include <linux/mISDNif.h>
+#include <linux/timer.h>
+
+/*
+ * HW DEBUG 0xHHHHGGGG
+ * H - hardware driver specific bits
+ * G - for all drivers
+ */
+
+#define DEBUG_HW 0x00000001
+#define DEBUG_HW_OPEN 0x00000002
+#define DEBUG_HW_DCHANNEL 0x00000100
+#define DEBUG_HW_DFIFO 0x00000200
+#define DEBUG_HW_BCHANNEL 0x00001000
+#define DEBUG_HW_BFIFO 0x00002000
+
+#define MAX_DFRAME_LEN_L1 300
+#define MAX_MON_FRAME 32
+#define MAX_LOG_SPACE 2048
+#define MISDN_COPY_SIZE 32
+
+/* channel->Flags bit field */
+#define FLG_TX_BUSY 0 /* tx_buf in use */
+#define FLG_TX_NEXT 1 /* next_skb in use */
+#define FLG_L1_BUSY 2 /* L1 is permanent busy */
+#define FLG_L2_ACTIVATED 3 /* activated from L2 */
+#define FLG_OPEN 5 /* channel is in use */
+#define FLG_ACTIVE 6 /* channel is activated */
+#define FLG_BUSY_TIMER 7
+/* channel type */
+#define FLG_DCHANNEL 8 /* channel is D-channel */
+#define FLG_BCHANNEL 9 /* channel is B-channel */
+#define FLG_ECHANNEL 10 /* channel is E-channel */
+#define FLG_TRANSPARENT 12 /* channel use transparent data */
+#define FLG_HDLC 13 /* channel use hdlc data */
+#define FLG_L2DATA 14 /* channel use L2 DATA primitivs */
+#define FLG_ORIGIN 15 /* channel is on origin site */
+/* channel specific stuff */
+/* arcofi specific */
+#define FLG_ARCOFI_TIMER 16
+#define FLG_ARCOFI_ERROR 17
+/* isar specific */
+#define FLG_INITIALIZED 16
+#define FLG_DLEETX 17
+#define FLG_LASTDLE 18
+#define FLG_FIRST 19
+#define FLG_LASTDATA 20
+#define FLG_NMD_DATA 21
+#define FLG_FTI_RUN 22
+#define FLG_LL_OK 23
+#define FLG_LL_CONN 24
+#define FLG_DTMFSEND 25
+
+/* workq events */
+#define FLG_RECVQUEUE 30
+#define FLG_PHCHANGE 31
+
+#define schedule_event(s, ev) do { \
+ test_and_set_bit(ev, &((s)->Flags)); \
+ schedule_work(&((s)->workq)); \
+ } while (0)
+
+struct dchannel {
+ struct mISDNdevice dev;
+ u_long Flags;
+ struct work_struct workq;
+ void (*phfunc) (struct dchannel *);
+ u_int state;
+ void *l1;
+ /* HW access */
+ u_char (*read_reg) (void *, u_char);
+ void (*write_reg) (void *, u_char, u_char);
+ void (*read_fifo) (void *, u_char *, int);
+ void (*write_fifo) (void *, u_char *, int);
+ void *hw;
+ int slot; /* multiport card channel slot */
+ struct timer_list timer;
+ /* receive data */
+ struct sk_buff *rx_skb;
+ int maxlen;
+ /* send data */
+ struct sk_buff_head squeue;
+ struct sk_buff_head rqueue;
+ struct sk_buff *tx_skb;
+ int tx_idx;
+ int debug;
+ /* statistics */
+ int err_crc;
+ int err_tx;
+ int err_rx;
+};
+
+typedef int (dchannel_l1callback)(struct dchannel *, u_int);
+extern int create_l1(struct dchannel *, dchannel_l1callback *);
+
+/* private L1 commands */
+#define INFO0 0x8002
+#define INFO1 0x8102
+#define INFO2 0x8202
+#define INFO3_P8 0x8302
+#define INFO3_P10 0x8402
+#define INFO4_P8 0x8502
+#define INFO4_P10 0x8602
+#define LOSTFRAMING 0x8702
+#define ANYSIGNAL 0x8802
+#define HW_POWERDOWN 0x8902
+#define HW_RESET_REQ 0x8a02
+#define HW_POWERUP_REQ 0x8b02
+#define HW_DEACT_REQ 0x8c02
+#define HW_ACTIVATE_REQ 0x8e02
+#define HW_D_NOBLOCKED 0x8f02
+#define HW_RESET_IND 0x9002
+#define HW_POWERUP_IND 0x9102
+#define HW_DEACT_IND 0x9202
+#define HW_ACTIVATE_IND 0x9302
+#define HW_DEACT_CNF 0x9402
+#define HW_TESTLOOP 0x9502
+#define HW_TESTRX_RAW 0x9602
+#define HW_TESTRX_HDLC 0x9702
+#define HW_TESTRX_OFF 0x9802
+
+struct layer1;
+extern int l1_event(struct layer1 *, u_int);
+
+
+struct bchannel {
+ struct mISDNchannel ch;
+ int nr;
+ u_long Flags;
+ struct work_struct workq;
+ u_int state;
+ /* HW access */
+ u_char (*read_reg) (void *, u_char);
+ void (*write_reg) (void *, u_char, u_char);
+ void (*read_fifo) (void *, u_char *, int);
+ void (*write_fifo) (void *, u_char *, int);
+ void *hw;
+ int slot; /* multiport card channel slot */
+ struct timer_list timer;
+ /* receive data */
+ struct sk_buff *rx_skb;
+ int maxlen;
+ /* send data */
+ struct sk_buff *next_skb;
+ struct sk_buff *tx_skb;
+ struct sk_buff_head rqueue;
+ int rcount;
+ int tx_idx;
+ int debug;
+ /* statistics */
+ int err_crc;
+ int err_tx;
+ int err_rx;
+};
+
+extern int mISDN_initdchannel(struct dchannel *, int, void *);
+extern int mISDN_initbchannel(struct bchannel *, int);
+extern int mISDN_freedchannel(struct dchannel *);
+extern int mISDN_freebchannel(struct bchannel *);
+extern void queue_ch_frame(struct mISDNchannel *, u_int,
+ int, struct sk_buff *);
+extern int dchannel_senddata(struct dchannel *, struct sk_buff *);
+extern int bchannel_senddata(struct bchannel *, struct sk_buff *);
+extern void recv_Dchannel(struct dchannel *);
+extern void recv_Bchannel(struct bchannel *);
+extern void recv_Dchannel_skb(struct dchannel *, struct sk_buff *);
+extern void recv_Bchannel_skb(struct bchannel *, struct sk_buff *);
+extern void confirm_Bsend(struct bchannel *bch);
+extern int get_next_bframe(struct bchannel *);
+extern int get_next_dframe(struct dchannel *);
+
+#endif
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 */