Zilog EZ80F91GA - Manual (Page 68)

ZGATE API Reference UM024502-1012
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ZGATE Embedded Security Development Kit
User Manual
ZGATE_initialize
Function Prototype
void ZGATE_initialize( void );
Parameters
None.
Return Value
None.
Description
This function initializes the ZGATE memory pools and data structures and reads the
ZGATE filtering rules. These filtering rules are either read from a file in the file system or
placed in a C file that is linked to the ZTP application. ZGATE searches for a configura-
tion file containing the filtering rules in the following sequence:
1. Read the filtering rules from a file named zg_rules.usr in the root folder of the file
system. If this file is not found – or if ZFS is not enabled – then:
2. Read the filtering rules from a file named zg_rules.def in the root folder of the file
system. If this file is not found – or if ZFS is not enabled – then:
3. Read the filtering rules from a file named ZGATE_Conf.c that is linked to the ZTP
application.

ZGATE will not perform any packet filtering until the ZGATE_initialize function is
called. This API must be called before calling any other ZGATE API.