Introduction to DLPI
DLPI Services
Phase of | Service | Primitives | |
Communication | |||
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Raw Mode Data |
| DL_HP_RAWDATA_REQ | |
Transfer |
| DL_HP_RAWDATA_IND | |
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XID and TEST | XID | DL_XID_REQ | |
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| DL_XID_IND | |
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| DL_XID_RES | |
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| DL_XID_CON | |
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| TEST | DL_TEST_REQ | |
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| DL_TEST_IND | |
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| DL_TEST_RES | |
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| DL_TEST_CON | |
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Local Management Services
The local management services apply to the connection and connectionless modes of communication. These services, which fall outside the scope of standards specification, define the method for initializing a stream that is connected to a DLS provider. DLS provider information reporting services are also supported by local management facilities.
Information Reporting Service
This service provides information about the DLPI stream to the DLS user. The message DL_INFO_REQ requests the DLS provider to return operating information about the stream. The DLS provider returns the information in a DL_INFO_ACK message as shown in Figure
Figure | Message Flow: Information Reporting |
DL_INFO request
DL_INFO acknowledge
30 | Chapter 1 |