/* $Id: filter.h,v 1.5 2001/09/28 19:11:52 stevelim Exp $ */

/* Filter structures and definitions */


struct gfilthdr
	{
	unsigned char	flags;
	unsigned char	num_fields;
	unsigned short	reserved;
	unsigned long	reserved1;
};
#define FILTER_PASS_FLAG    	    0x01
#define FILTER_ACTIVE_FLAG  	    0x02
#define FILTER_FLAG_BLOCK   	    0x00
#define FILTER_FLAG_PASS    	    FILTER_PASS_FLAG
#define FILTER_FLAG_INACTIVE  	    0x00
#define FILTER_FLAG_ACTIVE	    FILTER_ACTIVE_FLAG

struct gfiltbdy {
	unsigned short	offset;
	unsigned short	length;
    	unsigned char	data_type;
	unsigned char	op;
        unsigned char   step_size;
	unsigned char	reserved;
	unsigned char	value1[1];
	unsigned char	value2[1];
};
#define FILTER_DATA_TYPE_HEADER_FRAME	0x00
#define FILTER_DATA_TYPE_HEADER     	0x01
#define FILTER_DATA_TYPE_DATA	    	0x02
#define FILTER_DATA_TYPE_EXTRA_DATA 	0x03
#define FILTER_EVENT_TYPE_HEADER 	0x04
#define FILTER_EVENT_TYPE_DATA 	    	0x05

struct gfilter {
	struct gfilthdr	header;
	struct gfiltbdy	body;
};


/* Actions available via CMD_CARD_MODIFY_FILTER */
#define DELETE_FILTER       	0
#define ACTIVATE_FILTER     	1
#define DEACTIVATE_FILTER   	2

/* Modes available via CMD_CARD_SET_FILTERING_MODE */
#define FILTER_OFF_PASS_ALL     3
#define FILTER_OFF_BLOCK_ALL    4
#define FILTER_ON               5

/* Modes available via CMD_CARD_SET_DEFAULT_FILTER */
#define DEFAULT_FILTER_BLOCK	0
#define DEFAULT_FILTER_PASS 	1

/* Filter and Frame Responder Condition operators */
#define BIT_FIELD_CHECK     	0
#define SVALUE_GT    	    	1
#define SVALUE_GE    	    	2
#define SVALUE_LT    	    	3
#define SVALUE_LE    	    	4
#define VALUE_EQ    	    	5
#define VALUE_NE    	    	6
#define UVALUE_GT    	    	7
#define UVALUE_GE    	    	8
#define UVALUE_LT    	    	9
#define UVALUE_LE    	    	10
#define DIG_LOW_TO_HIGH     	11
#define DIG_HIGH_TO_LOW     	12
#define DIG_TRANSITION	    	13