System method structure in network processor that indicates...

Details System method structure in network processor that indicates... System method structure in network processor that indicates...

2007-04-03

2007-04-03

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Input/output data buffering

C710S051000, C710S052000, C710S053000, C710S055000, C370S365000, C370S503000

Reexamination Certificate

active

09828342

ABSTRACT:
A method and structure for determining when a frame of information comprised of one or more buffers of data being transmitted in a network processor has completed transmission is provided. The network processor includes a plurality of control blocks, one for each data buffer, each containing control information to link one buffer to another for transmission. Each of the control blocks has a last bit feature which is a single bit and indicates when the data buffer having the last bit is transmitted. This last bit feature is a bit which can be set to either zero or one. The last bit feature is in a first position when an additional data buffer is to be chained to a previous data buffer indicating an additional data buffer is to be transmitted and a second position when no additional data buffer is to be chained to a previous data buffer. The position of the last bit feature is communicated to the network processor to indicate whether the transmission of a particular frame is ended and a new frame is to be transmitted.

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