Computer system with a network interface which multiplexes a set

Details Computer system with a network interface which multiplexes a set Computer system with a network interface which multiplexes a set

1996-08-14

2000-02-29

Maung, Zarni

Electrical computers and digital processing systems: multicomput

Multicomputer data transferring via shared memory

709212, 709234, 709245, 709250, G06F 1300

Patent

active

060321792

ABSTRACT:
A network interface is used to connect a host computer to a network to allow application programs running on the host computer to access the network. Each application program has a set of queues for handling transmit and receive requests. A network interface having direct application access channels has a set of physical registers for storing a set of pointers to one or more of these queues. The set of registers is multiplexed among several ring queues to provide virtual direct application access channels. Such multiplexing is performed by storing the pointers for each queue in memory, e.g., a local memory of the network interface or memory of the host computer. When a transmit or receive request for a given application is processed by the network interface, the network interface determines which set of pointers to use for a queue for the application and loads the correct set of pointers for the queue from the memory and into the set of registers.

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