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Release 4.15 include/linux/mISDNhw.h

Directory: include/linux
/*
 *
 * 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 */

#define FLG_FILLEMPTY		16	
/* fill fifo on first frame (empty) */
/* arcofi specific */

#define FLG_ARCOFI_TIMER	17

#define FLG_ARCOFI_ERROR	18
/* isar specific */

#define FLG_INITIALIZED		17

#define FLG_DLEETX		18

#define FLG_LASTDLE		19

#define FLG_FIRST		20

#define FLG_LASTDATA		21

#define FLG_NMD_DATA		22

#define FLG_FTI_RUN		23

#define FLG_LL_OK		24

#define FLG_LL_CONN		25

#define FLG_DTMFSEND		26

#define FLG_TX_EMPTY		27
/* stop sending received data upstream */

#define FLG_RX_OFF		28
/* 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;
	
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

#define HW_TIMER3_IND	0x9902

#define HW_TIMER3_VALUE	0x9a00

#define HW_TIMER3_VMASK	0x00FF

struct layer1;
extern int	l1_event(struct layer1 *, u_int);


#define MISDN_BCH_FILL_SIZE	4


struct bchannel {
	
struct mISDNchannel	ch;
	
int			nr;
	
u_long			Flags;
	
struct work_struct	workq;
	
u_int			state;
	
void			*hw;
	
int			slot;	/* multiport card channel slot */
	
struct timer_list	timer;
	/* receive data */
	
u8			fill[MISDN_BCH_FILL_SIZE];
	
struct sk_buff		*rx_skb;
	
unsigned short		maxlen;
	
unsigned short		init_maxlen; /* initial value */
	
unsigned short		next_maxlen; /* pending value */
	
unsigned short		minlen; /* for transparent data */
	
unsigned short		init_minlen; /* initial value */
	
unsigned short		next_minlen; /* pending value */
	/* 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;
	
int			dropcnt;
};

extern int	mISDN_initdchannel(struct dchannel *, int, void *);
extern int	mISDN_initbchannel(struct bchannel *, unsigned short,
				   unsigned short);
extern int	mISDN_freedchannel(struct dchannel *);
extern void	mISDN_clear_bchannel(struct bchannel *);
extern void	mISDN_freebchannel(struct bchannel *);
extern int	mISDN_ctrl_bchannel(struct bchannel *, struct mISDN_ctrl_req *);
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 int      bchannel_get_rxbuf(struct bchannel *, int);
extern void	recv_Dchannel(struct dchannel *);
extern void	recv_Echannel(struct dchannel *, struct dchannel *);
extern void	recv_Bchannel(struct bchannel *, unsigned int, bool);
extern void	recv_Dchannel_skb(struct dchannel *, struct sk_buff *);
extern void	recv_Bchannel_skb(struct bchannel *, struct sk_buff *);
extern int	get_next_bframe(struct bchannel *);
extern int	get_next_dframe(struct dchannel *);

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Karsten Keil72995.67%872.73%
Andreas Eversberg202.62%218.18%
Martin Bachem131.71%19.09%
Total762100.00%11100.00%
Directory: include/linux
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