Method of treatment failure packets, network device and processor

A network device and processor technology, applied in the computer field, can solve problems such as business interruption

Inactive Publication Date: 2014-01-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] If the system is reset after reading invalid data, it will cause business interruption on t...

Method used

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  • Method of treatment failure packets, network device and processor
  • Method of treatment failure packets, network device and processor
  • Method of treatment failure packets, network device and processor

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Embodiment Construction

[0114] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0115] First of all, it should be noted that the message interaction structure between the processor and the network device generally includes a buffer (Buffer) and a buffer descriptor (Buffer Descriptor, BD). The buffer refers to the cache in the computer memory, that is, the Cache refers to the memory block in the computer memory that stores messages. In general, the memory of a computer can be divided into multiple caches.

[0116] The embodiment of the present ...

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Abstract

The present invention provides a method of treatment failure packets, network device and processor, relates to a field of a computer, the packet in a cache has failed, indicating that the message has failed to the invention, and discard invalid packets to avoid the influence of the system reset or will fail to process the data as normal data brought to improve the reliability of the system. The methods are: by computer memory cache settings packets corresponding signs of poisoning, and the network device receives the packet, the packet will fail the corresponding cache poisoning where the identity is set to indicate intoxication, and failure messages where the cache rewrite, then indicates that the cache is empty. The invention is used for processing a packet failure.

Description

technical field [0001] The invention relates to the field of computers, in particular to a method for processing invalid messages, network equipment and a processor. Background technique [0002] The computer system communicates with other external devices by sending and receiving messages through network devices. The length of the message is generally long and not fixed. Therefore, when a network device moves a message from its own cache to the memory, it needs to split the message into multiple frames, and then move them to the memory one by one. . [0003] Because the cache may be invalidated before the data in the cache is moved to memory. The data structure of the message exchanged between the central processing unit and the network device is generally composed of two parts: BD (Buffer Descriptor, buffer descriptor) and Buffer. Buffer is a memory block for storing messages, and BD is a descriptor of a message and a memory block, which helps the system detect data err...

Claims

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Application Information

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IPC IPC(8): G06F21/55H04L29/06
CPCH04L1/0061G06F11/0727H04L45/742
Inventor 康柏清
Owner HUAWEI TECH CO LTD
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