Zilog EZ80F91GA Uživatelský manuál stáhnout pdf (Strana 79)

UM024502-1012 ZGATE Logging Page

ZGATE Embedded Security Development Kit

User Manual

ZGATE_udp_port_filtering_type

Function Prototype

INT16 ZGATE_udp_port_filtering_type( void );

Parameters

None.

Return Value

ZGATE_FILTER_DISABLED ZGATE does not examine the destination UDP port

number when deciding whether to forward or dis-

card received UDP datagrams.

ZGATE_BLACKLIST_FILTERING ZGATE discards received UDP datagrams if the

destination UDP port number field matches an entry

in the

udp_port filtering list.

ZGATE_WHITELIST_FILTERING ZGATE forwards received UDP datagrams if the

destination UDP port number field matches an entry

in the

udp_port filtering list.

Description

This function returns the filtering mode of the UDP destination port number filter.

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Zilog EZ80F91GA Uživatelský manuál Strana 79