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Method for separating control characters and data packets of srio protocol for 128bit width

A technology of protocol control and separation method, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of increasing complexity, not being considered for use, increasing complexity of SRIO chips and IP cores, etc., to achieve improvement The effect of transmission performance

Active Publication Date: 2021-07-02
TIANJIN JINHANG COMP TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the processing bit width is increased to 128bit, then the 128bit bit-width SRIO protocol will carry 24 types of transmission information, then the complexity of the design of the SRIO chip and IP core will increase exponentially, and this processing method will not be considered.
Therefore, the current improvement of SRIO transmission performance will reach a relative bottleneck. It is necessary to reconsider the processing and design method of SRIO transmission packets containing both control characters and data packets, and to consider subsequent performance upgrades. The design complexity cannot be increased with the bit width. geometric growth

Method used

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  • Method for separating control characters and data packets of srio protocol for 128bit width

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Embodiment

[0046] Such as figure 1 As shown, this embodiment provides a novel method for separating and processing control characters and data packets of the 128-bit SRIO protocol at the receiving end. It separates the contained control characters from the data packets to form a receiving and processing queue containing only one 32-bit control character or 128-bit wide data packet, ensuring that only one 32-bit wide control character or 128-bit wide data is processed in each processing cycle Bag.

[0047]The 128-bit-wide SRIO protocol control character and data packet separation method realizes the separation and reassembly of SRIO protocol control characters and data packets through a 256-bit-wide queue buffer unit and a 256-bit-wide computing buffer unit. The 256-bit wide queue cache unit is responsible for reorganizing the 128-bit wide SRIO transmission packet of the current processing cycle with the content of the previous processing cycle calculation cache unit; the 256-bit wide qu...

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Abstract

The invention belongs to the technical field of high-speed communication SRIO protocol, and in particular relates to a method for separating control characters and data packets of the 128-bit wide SRIO protocol. Compared with the prior art, the present invention separates the included control characters from the data packets to form a receiving and processing queue containing only one 32-bit control character or 128-bit wide data packet, ensuring that only one 32-bit bit is processed in each processing cycle. Wide control characters or 128-bit wide data packets, thus greatly improving the transmission performance of the SRIO protocol.

Description

technical field [0001] The invention belongs to the technical field of high-speed communication SRIO protocol, and in particular relates to a method for separating control characters and data packets of the 128-bit wide SRIO protocol. Background technique [0002] SRIO is an interconnection technology based on packet switching, and has a wide range of applications in the field of embedded high-speed communication interconnection. The SRIO protocol stipulates that both control characters and data packets are 32-bit wide, so during the transmission process of the SRIO communication protocol, the SRIO receiving end processes 32-bit-wide control characters or 32-bit-wide data packets in each processing cycle. [0003] With the improvement of SRIO transmission performance requirements, only processing 32-bit wide control characters or data packets in each processing cycle can no longer meet the system requirements. The mainstream SRIO transmission bandwidth has been increased to ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/863
CPCH04L47/50H04L69/22H04L69/26
Inventor 杨硕曾永红王晓璐刘超杨阳
Owner TIANJIN JINHANG COMP TECH RES INST