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/*
* General definitions for the COMX driver
*
* Original authors: Arpad Bakay <bakay.arpad@synergon.hu>,
* Peter Bajan <bajan.peter@synergon.hu>,
* Previous maintainer: Tivadar Szemethy <tiv@itc.hu>
* Currently maintained by: Gergely Madarasz <gorgo@itc.hu>
*
* Copyright (C) 1995-1999 ITConsult-Pro Co. <info@itc.hu>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
*
* net_device_stats:
* rx_length_errors rec_len < 4 || rec_len > 2000
* rx_over_errors receive overrun (OVR)
* rx_crc_errors rx crc error
* rx_frame_errors aborts rec'd (ABO)
* rx_fifo_errors status fifo overrun (PBUFOVR)
* rx_missed_errors receive buffer overrun (BUFOVR)
* tx_aborted_errors ?
* tx_carrier_errors modem line status changes
* tx_fifo_errors tx underrun (locomx)
*/
#include <linux/config.h>
struct comx_protocol {
char *name;
char *version;
unsigned short encap_type;
int (*line_init)(struct net_device *dev);
int (*line_exit)(struct net_device *dev);
struct comx_protocol *next;
};
struct comx_hardware {
char *name;
char *version;
int (*hw_init)(struct net_device *dev);
int (*hw_exit)(struct net_device *dev);
int (*hw_dump)(struct net_device *dev);
struct comx_hardware *next;
};
struct comx_channel {
void *if_ptr; // General purpose pointer
struct net_device *dev; // Where we belong to
struct net_device *twin; // On dual-port cards
struct proc_dir_entry *procdir; // the directory
unsigned char init_status;
unsigned char line_status;
struct timer_list lineup_timer; // against line jitter
long int lineup_pending;
unsigned char lineup_delay;
#if 0
struct timer_list reset_timer; // for board resetting
long reset_pending;
int reset_timeout;
#endif
struct net_device_stats stats;
struct net_device_stats *current_stats;
#if 0
unsigned long board_resets;
#endif
unsigned long *avg_bytes;
int loadavg_counter, loadavg_size;
int loadavg[3];
struct timer_list loadavg_timer;
int debug_flags;
char *debug_area;
int debug_start, debug_end, debug_size;
struct proc_dir_entry *debug_file;
#ifdef CONFIG_COMX_DEBUG_RAW
char *raw;
int raw_len;
#endif
// LINE specific
struct comx_protocol *protocol;
void (*LINE_rx)(struct net_device *dev, struct sk_buff *skb);
int (*LINE_tx)(struct net_device *dev);
void (*LINE_status)(struct net_device *dev, u_short status);
int (*LINE_open)(struct net_device *dev);
int (*LINE_close)(struct net_device *dev);
int (*LINE_xmit)(struct sk_buff *skb, struct net_device *dev);
int (*LINE_header)(struct sk_buff *skb, struct net_device *dev,
u_short type,void *daddr, void *saddr,
unsigned len);
int (*LINE_rebuild_header)(struct sk_buff *skb);
int (*LINE_statistics)(struct net_device *dev, char *page);
int (*LINE_parameter_check)(struct net_device *dev);
int (*LINE_ioctl)(struct net_device *dev, struct ifreq *ifr,
int cmd);
void (*LINE_mod_use)(int);
void * LINE_privdata;
// HW specific
struct comx_hardware *hardware;
void (*HW_board_on)(struct net_device *dev);
void (*HW_board_off)(struct net_device *dev);
struct net_device *(*HW_access_board)(struct net_device *dev);
void (*HW_release_board)(struct net_device *dev, struct net_device *savep);
int (*HW_txe)(struct net_device *dev);
int (*HW_open)(struct net_device *dev);
int (*HW_close)(struct net_device *dev);
int (*HW_send_packet)(struct net_device *dev,struct sk_buff *skb);
int (*HW_statistics)(struct net_device *dev, char *page);
#if 0
int (*HW_reset)(struct net_device *dev, char *page);
#endif
int (*HW_load_board)(struct net_device *dev);
void (*HW_set_clock)(struct net_device *dev);
void *HW_privdata;
};
struct comx_debugflags_struct {
char *name;
int value;
};
#define COMX_ROOT_DIR_NAME "comx"
#define FILENAME_HARDWARE "boardtype"
#define FILENAME_HARDWARELIST "boardtypes"
#define FILENAME_PROTOCOL "protocol"
#define FILENAME_PROTOCOLLIST "protocols"
#define FILENAME_DEBUG "debug"
#define FILENAME_CLOCK "clock"
#define FILENAME_STATUS "status"
#define FILENAME_IO "io"
#define FILENAME_IRQ "irq"
#define FILENAME_KEEPALIVE "keepalive"
#define FILENAME_LINEUPDELAY "lineup_delay"
#define FILENAME_CHANNEL "channel"
#define FILENAME_FIRMWARE "firmware"
#define FILENAME_MEMADDR "memaddr"
#define FILENAME_TWIN "twin"
#define FILENAME_T1 "t1"
#define FILENAME_T2 "t2"
#define FILENAME_N2 "n2"
#define FILENAME_WINDOW "window"
#define FILENAME_MODE "mode"
#define FILENAME_DLCI "dlci"
#define FILENAME_MASTER "master"
#ifdef CONFIG_COMX_DEBUG_RAW
#define FILENAME_RAW "raw"
#endif
#define PROTONAME_NONE "none"
#define HWNAME_NONE "none"
#define KEEPALIVE_OFF "off"
#define FRAME_ACCEPTED 0 /* sending and xmitter busy */
#define FRAME_DROPPED 1
#define FRAME_ERROR 2 /* xmitter error */
#define FRAME_QUEUED 3 /* sending but more can come */
#define LINE_UP 1 /* Modem UP */
#define PROTO_UP 2
#define PROTO_LOOP 4
#define HW_OPEN 1
#define LINE_OPEN 2
#define FW_LOADED 4
#define IRQ_ALLOCATED 8
#define DEBUG_COMX_RX 2
#define DEBUG_COMX_TX 4
#define DEBUG_HW_TX 16
#define DEBUG_HW_RX 32
#define DEBUG_HDLC_KEEPALIVE 64
#define DEBUG_COMX_PPP 128
#define DEBUG_COMX_LAPB 256
#define DEBUG_COMX_DLCI 512
#define DEBUG_PAGESIZE 3072
#define DEFAULT_DEBUG_SIZE 4096
#define DEFAULT_LINEUP_DELAY 1
#define FILE_PAGESIZE 3072
#ifndef COMX_PPP_MAJOR
#define COMX_PPP_MAJOR 88
#endif
#ifndef min
#define min(a,b) ((a) > (b) ? (b) : (a))
#endif
#ifndef max
#define max(a,b) ((a) > (b) ? (a) : (b))
#endif
#define COMX_CHANNEL(dev) ((struct comx_channel*)dev->priv)
#define TWIN(dev) (COMX_CHANNEL(dev)->twin)
#ifndef byte
typedef u8 byte;
#endif
#ifndef word
typedef u16 word;
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#endif
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif
#ifndef SEEK_END
#define SEEK_END 2
#endif
extern struct proc_dir_entry * comx_root_dir;
extern int comx_register_hardware(struct comx_hardware *comx_hw);
extern int comx_unregister_hardware(char *name);
extern int comx_register_protocol(struct comx_protocol *comx_line);
extern int comx_unregister_protocol(char *name);
extern int comx_rx(struct net_device *dev, struct sk_buff *skb);
extern void comx_status(struct net_device *dev, int status);
extern void comx_lineup_func(unsigned long d);
extern int comx_debug(struct net_device *dev, char *fmt, ...);
extern int comx_debug_skb(struct net_device *dev, struct sk_buff *skb, char *msg);
extern int comx_debug_bytes(struct net_device *dev, unsigned char *bytes, int len,
char *msg);
extern int comx_strcasecmp(const char *cs, const char *ct);
extern struct inode_operations comx_normal_inode_ops;
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