HPE_FLEX_FILTER structure

Flex Data filter definition.

typedef struct  {
    BYTE sequence[128];
    BYTE mask[16];
    BYTE length;
    BYTE priority;
} HPE_FLEX_FILTER;

Fields

sequence: Data sequence
mask: Sequence enable mask.
length: Length of sequence
priority: Filter priority. 0 (lowest) .. 7 (highest)

Remarks

Sequence is an array of values that is compared to the incoming packet. Setting a bit in mask selects a byte for comparison. Priority resolves multiple filters that have duplicate matches.

Abbreviated bit to byte mapping sequence:

mask[0]:0	sequence[0]	mask[1]:0	sequence[8]
mask[0]:1	sequence[1]	mask[1]:1	sequence[9]
mask[0]:2	sequence[2]	mask[1]:2	sequence[10]
mask[0]:3	sequence[3]	mask[1]:3	sequence[11]
mask[0]:4	sequence[4]	mask[1]:4	sequence[12]
mask[0]:5	sequence[5]	mask[1]:5	sequence[13]
mask[0]:6	sequence[6]	mask[1]:6	sequence[14]
mask[0]:7	sequence[7]	mask[1]:7	sequence[15]

Priority resolves multiple filters that with duplicate matches.

Requirements

Versions	Defined in	Include	Link to
INtime 6.0 (HPE3)	intime/rt/include/hpeif2.h	hpeif2.h	hpeif2.lib