193 lines
5.4 KiB
C
193 lines
5.4 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
/*
|
||
|
|
*
|
||
|
|
* Author Karsten Keil <kkeil@novell.com>
|
||
|
|
*
|
||
|
|
* Basic declarations for the mISDN HW channels
|
||
|
|
*
|
||
|
|
* Copyright 2008 by Karsten Keil <kkeil@novell.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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
|