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CHAPTER 4
Network Setup Protocol Structures and Data Types
150 Protocol Structures
For a detailed description of ASP, see Inside AppleTalk, Second Edition.
No preference type is defined for this structure. Instead, access this structure
through the OTCfgATalkGeneral (page 145) structure, which has a preference
type of kOTCfgATalkGeneralPref.
OTCfgATalkGeneralATP 4
The OTCfgATalkGeneralATP structure defines parameters for the AppleTalk
Transaction Protocol (ATP) component of the AppleTalk protocol stack and is a
sub-structure of the OTCfgATalkGeneral structure.
struct OTCfgATalkGeneralATP
{
UInt16 fVersion;
UInt16 fSize;
UInt32 fTSDUSize;
UInt32 fDefaultRetryInterval;
UInt32 fDefaultRetryCount;
UInt8 fDefaultReleaseTimer;
Boolean fDefaultALOSetting;
};
Field descriptions
fVersion Must be 1.
fSize Must be sizeof(OTCfgATalkGeneralATP).
fTSDUSize The maximum amount of data that packets of this protocol
can carry. The default is 578.
fDefaultRetryInterval
The default retry interval in milliseconds. By default, this
value is 2000.
fDefaultRetryCount The default retry count. By default, this value is 8.
fDefaultReleaseTimer
The default release timer. The default value is zero. This
field has the same format as ATP_OPT_RELTIMER which is
described in Inside Macintosh: Networking with Open
Transport.