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Hardware TCP/IP protocol stack possessing active and passive transmission modes

An IP protocol and passive transmission technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as difficult to send and receive interactive information, and does not give different protocol priority design, so as to ensure network transmission and realize The effect of high-speed network transmission

Inactive Publication Date: 2017-01-18
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the sensing data stream is transmitted at high speed and uninterruptedly through the host interface module, it is difficult for this design to send and receive interactive information
Secondly, there are deficiencies in the design of network management functions in the above-mentioned existing documents, and there is no priority design for different protocol responses

Method used

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  • Hardware TCP/IP protocol stack possessing active and passive transmission modes
  • Hardware TCP/IP protocol stack possessing active and passive transmission modes
  • Hardware TCP/IP protocol stack possessing active and passive transmission modes

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Embodiment Construction

[0046] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0047] Such as figure 1 As shown, the present invention has a hardware TCP / IP protocol stack with active and passive transmission modes, including a TCP / IP protocol stack core module 1, a MAC module 2 and a PHY chip 3.

[0048] TCP / IP protocol stack core module 1: including frame analysis unit 1-1, network management unit 1-2, frame encapsulation unit 1-3, high-speed hardware data channel 1-4 and software data channel 1-5. The frame analysis unit 1-1 is used to receive network frame data, analyze ARP, ICMP, UDP and TCP protocol frame data, analyze the network parameters and application data, and analyze the data type of the client 4 to generate corresponding responses or connection requests; The management unit 1-2 is used to analyze the TCP connection state, perform priority arbitration on the response or connection request, send a ...

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Abstract

The invention discloses a hardware TCP / IP protocol stack possessing active and passive transmission modes. The protocol stack comprises a data interface module, a TCP / IP protocol stack core module, a MAC module and a PHY chip. The TCP / IP protocol stack core module comprises a frame analysis unit, a network management unit, a frame packaging unit, a high speed hardware sending channel and a software sending channel. In the invention, two kinds of interfaces of a hardware transmission channel and a software transmission channel are simultaneously possessed, which provides great convenience for application layer function realization. The design possesses high flexibility and the structure is clear so that the protocol stack can be widely used for embedded sensing equipment. In the invention, priorities of responses of ARP, ICMP, TCP response and transmit and receive and the like are provided; and in a subsequent design, if a UDP protocol needs to be used or other protocols are added, a packaging and analysis module of a corresponding protocol only needs to be increased and the protocol can be realized.

Description

technical field [0001] The present invention relates to the technical fields of application-specific integrated circuit design and high-speed network transmission. Specifically, the present invention designs a hardware TCP / IP protocol stack with active and passive transmission modes. The protocol stack has both high-speed active transmission mode and flexible Passive transmission mode, ideal for embedded sensing devices. Background technique [0002] With the popularization of network technology and the development of information technology, more and more embedded sensing devices need to transmit the collected sensing data such as temperature, vibration and pressure to servers and other background devices through network interfaces. When the number of data collection nodes increases and the collection frequency becomes higher, the sensing device will require a high network transmission rate. For example, the sensing information of each node is represented by 2Byte data, if ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L29/06H04L29/08G06F13/12
Inventor 刘泉李政颖徐智强陈晓威候亚荣
Owner WUHAN UNIV OF TECH
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