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Network data card and data transmission method based on FPGA (Field Programmable Gate Array)

A data transmission method and data card technology, which are applied in the field of FPGA-based network data cards and data transmission, can solve the problems of being unable to meet the requirements of data transmission, occupying the processing workload and processing speed of the upper computer, and achieving compact structure, reduced Small occupancy rate, the effect of improving transmission efficiency

Inactive Publication Date: 2014-04-02
WUXI TONGWEI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] Therefore, the existing data transmission method needs to occupy the processing workload and processing speed of the upper computer, and cannot meet the requirements of the current network data transmission.

Method used

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  • Network data card and data transmission method based on FPGA (Field Programmable Gate Array)
  • Network data card and data transmission method based on FPGA (Field Programmable Gate Array)
  • Network data card and data transmission method based on FPGA (Field Programmable Gate Array)

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with specific drawings and embodiments.

[0030] Such as figure 1 Shown: In order to improve the transmission efficiency of network data and reduce the impact on the work efficiency of the upper computer, the present invention includes a card board, and the card board is provided with an FPGA chip 3, and IPV4-IPV6 is arranged in the FPGA chip 3 Protocol analysis module 4; Described IPV4-IPV6 agreement analysis module 4 is connected with PCIE X8 bus interface 2, TEMAC management module 9 on the board respectively by sending buffer in FPGA chip 3, receiving buffer, described TEMAC management module 9 and RJ45 interface 10 connections.

[0031] The sending buffer includes a first sending buffer 5 and a second sending buffer 6, and the receiving buffer includes a first receiving buffer 7 and a second receiving buffer 8, and the IPV4-IPV6 protocol analysis module 4 passes through the first sending buffer 5...

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Abstract

The invention relates to a data card and a data transmission method, in particular to a network data card and a data transmission method based on an FPGA (Field Programmable Gate Array), more in particular to a network data card and a data transmission method based on IPV4 / IPV6 (Internet Protocol Version 4 / Internet Protocol Version 6) by utilizing FPGA transmission. The network data card based on the FPGA adopts the technical scheme that the network data card comprises a card board, wherein an FPGA chip is arranged on the card board; an IPV4-IPV6 resolution module is arranged in the FPGA chip, and connected with a PCIE (Peripheral Component Interface Express) X8 bus interface and a TEMAC (Tri-mode Ethernet Media Access Control) management module on the card board by a transmitting cache and a receiving cache in the FPGA chip respectively; and the TEMAC management module is connected with an RJ45 (Registered Jack 45) connector. The network data card is compact in structure, wide in application scope, safe and reliable; transmission of IPV4 / IPV6 network data can be realized; and the transmission efficiency is improved.

Description

technical field [0001] The present invention relates to a data card and a data transmission method, in particular to an FPGA-based network data card and a data transmission method, specifically, an FPGA-based network data card and a data transmission method based on the IPV4 / IPV6 protocol. Background technique [0002] IPV4 (Internet Protocol version 4) is the protocol family used by the current global Internet is the TCP / IP protocol family. IP is the protocol of the network layer in the TCP / IP protocol suite, and is the core protocol of the TCP / IP protocol suite. IPV6 (Internet Protocol Version 6) is a next-generation IP protocol designed by IETF (Internet Engineering Task Force, Internet Engineering Task Force) to replace the current version of IP protocol (IPV4). [0003] Dual stack means that a base station uses two different protocol stacks for voice and Internet access. Dual stack technology (DualStack) is a protocol stack that enables both the IPV4 protocol and the I...

Claims

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Application Information

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IPC IPC(8): H04L29/06
Inventor 袁宝弟王永忠陆翰金睿
Owner WUXI TONGWEI TECH
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