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Zgate_eth_frame_filtering_type – Zilog EZ80F91GA User Manual

Page 74

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ZGATE API Reference

UM024502-1012

62

ZGATE Embedded Security Development Kit
User Manual

ZGATE_eth_frame_filtering_type

Function Prototype

INT16 ZGATE_eth_frame_filtering_type( void );

Parameters

None.

Return Value

ZGATE_FILTER_DISABLED

ZGATE does not examine the Type field when
deciding whether to forward or discard received
Ethernet frames.

ZGATE_BLACKLIST_FILTERING

ZGATE discards received Ethernet frames if the
Type field matches an entry in the

eth_frame

fil-

tering list.

ZGATE_WHITELIST_FILTERING

ZGATE forwards received Ethernet frames if the
Type field matches an entry in the

eth_frame

fil-

tering list.

Description

This function returns the filtering mode of the Ethernet frame type filter.