Electrical computers and digital processing systems: interprogra – Device driver communication
Reexamination Certificate
2006-07-11
2006-07-11
Thomson, William (Department: 2194)
Electrical computers and digital processing systems: interprogra
Device driver communication
C719S320000
Reexamination Certificate
active
07076787
ABSTRACT:
A system and method for implementing any one of multiple communication protocols with a single device driver. During initialization (e.g., after being attached to network interface device), a device driver receives a call (e.g., an ioctl) identifying a protocol to be implemented (e.g., PPP or SRP). The device driver configures device soft state structures for each network interface device with protocol-specific attributes (e.g., MTU size, references to protocol-specific packet handling functions). In response to an upper level protocol request (e.g., DL_INFO_REQ), the device driver dynamically assembles protocol-specific data to answer the request.
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Cheon David
Gao Jici
Ho Andy
Park Vaughan & Fleming LLP
Sun Microsystems Inc.
Thomson William
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