patch-2.2.14 linux/drivers/net/comx.h

• Lines: 239
• Date: Tue Jan 4 10:12:17 2000
• Orig file: v2.2.13/linux/drivers/net/comx.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.2.13/linux/drivers/net/comx.h linux/drivers/net/comx.h
@@ -0,0 +1,238 @@
+/*
+ * 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)
+ */
+
+struct comx_protocol {
+	char	*name;
+	char	*version;
+	unsigned short encap_type;
+	int	(*line_init)(struct device *dev);
+	int	(*line_exit)(struct device *dev);
+	struct comx_protocol *next;
+	};
+
+struct comx_hardware {
+	char *name; 
+	char *version;
+	int	(*hw_init)(struct device *dev);
+	int	(*hw_exit)(struct device *dev);
+	int	(*hw_dump)(struct device *dev);
+	struct comx_hardware *next;
+	};
+
+struct comx_channel {
+	struct device 	*dev;		// Where we belong to
+	struct 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
+	int		lineup_pending;
+	unsigned char	lineup_delay;
+
+#if 0
+	struct timer_list reset_timer; // for board resetting
+	int		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 device *dev, struct sk_buff *skb);
+	int		(*LINE_tx)(struct device *dev);
+	void		(*LINE_status)(struct device *dev, u_short status);
+	int		(*LINE_open)(struct device *dev);
+	int		(*LINE_close)(struct device *dev);
+	int		(*LINE_xmit)(struct sk_buff *skb, struct device *dev);
+	int		(*LINE_header)(struct sk_buff *skb, struct device *dev,
+				u_short type,void *daddr, void *saddr, 
+				unsigned len);
+	int		(*LINE_rebuild_header)(struct sk_buff *skb);
+	int		(*LINE_statistics)(struct device *dev, char *page);
+	int		(*LINE_parameter_check)(struct device *dev);
+	int		(*LINE_ioctl)(struct 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 device *dev);
+	void	(*HW_board_off)(struct device *dev);
+	struct device *(*HW_access_board)(struct device *dev);
+	void	(*HW_release_board)(struct device *dev, struct device *savep);
+	int	(*HW_txe)(struct device *dev);
+	int	(*HW_open)(struct device *dev);
+	int	(*HW_close)(struct device *dev);
+	int	(*HW_send_packet)(struct device *dev,struct sk_buff *skb);
+	int	(*HW_statistics)(struct device *dev, char *page);
+#if 0
+	int	(*HW_reset)(struct device *dev, char *page);
+#endif
+	int	(*HW_load_board)(struct device *dev);
+	void	(*HW_set_clock)(struct 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 device *dev, struct sk_buff *skb);
+extern void	comx_status(struct device *dev, int status);
+extern void	comx_lineup_func(unsigned long d);
+
+extern int	comx_debug(struct device *dev, char *fmt, ...);
+extern int	comx_debug_skb(struct device *dev, struct sk_buff *skb, char *msg);
+extern int	comx_debug_bytes(struct 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;