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Queue request processing method and device

A request processing and queuing technology, applied in the field of communication, can solve problems such as inability to access off-chip FQIT correctly

Active Publication Date: 2013-10-09
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The embodiment of the present invention provides a queue request processing method and device to solve the problem that the prior art cannot correctly access the off-chip FQIT

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  • Queue request processing method and device

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0027] The embodiment of the present invention controls the read / write access to the off-chip FQIT based on the on-chip engine, so as to achieve the purpose of correctly accessing the off-chip FQIT. The engine in the embodiment of the present invention refers to the address space used for caching the FQIT in the on-chip cache. Each FQ can on...

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Abstract

The embodiment of the invention provides a queue request processing method and device. The method comprises the following steps: receiving a queue request of a flow queue, and acquiring the queue identification of the flow queue; searching a target engine corresponding to the flow queue in a chip according to the queue identification, wherein an on-chip queue information table is stored in the target engine; if the target engine is founded, writing the queue request into a request queue corresponding to the flow queue, processing the queue request in the request queue, and updating the on-chip queue information table stored in the target engine; when the request queue is empty, updating an off-chip queue information table of a new flow queue according to the information of the on-chip queue information table, and releasing the target engine to be an idle engine. The embodiment of the invention achieves the aim of correctly accessing the off-chip queue information table.

Description

technical field [0001] The embodiments of the present invention relate to communication technologies, and in particular to a queue request processing method and device. Background technique [0002] The flow management chip includes K flow queues (Flow Queue, hereinafter referred to as: FQ), each FQ has a 128-bit queue information table (Flow Queue Information Table, hereinafter referred to as: FQIT), and the queue information table includes: queue identification, Head pointer, tail pointer, queue depth, token (token) and credit (credit) used to control the flow of the queue, etc. Each entry or exit of each FQ must access the FQIT to obtain and update the queue information of the FQ. With the continuous improvement of communication technology, the storage of FQ queue information mainly focuses on the combination of large-capacity cache and high-speed access. [0003] A current FQIT storage method is to store the FQIT in an on-chip cache (a cache integrated inside the flow ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/46
Inventor 丁德宏程柏卞云峰
Owner HUAWEI TECH CO LTD
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