CN114448574A - MAC frame data transmission processing equipment and data transmission processing method thereof - Google Patents

MAC frame data transmission processing equipment and data transmission processing method thereof Download PDF

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Publication number
CN114448574A
CN114448574A CN202210203402.6A CN202210203402A CN114448574A CN 114448574 A CN114448574 A CN 114448574A CN 202210203402 A CN202210203402 A CN 202210203402A CN 114448574 A CN114448574 A CN 114448574A
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mac frame
frame data
data
analysis
processing module
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罗军
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Hunan Junan Xinda Technology Co ltd
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Hunan Junan Xinda Technology Co ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22Parsing or analysis of headers

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Quality & Reliability (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention discloses MAC frame data transmission processing equipment and a data transmission processing method thereof, relates to the technical field of data transmission, and solves the technical problem that the transmission efficiency of MAC frame data is low because the transmission sequence of the MAC frame data cannot be adjusted when multi-service MAC frame data is transmitted in the prior art; after the MAC frame data processing module receives the MAC frame data, the MAC frame data are divided according to the analysis period, and then the division results are identified and analyzed, so that the high-efficiency transmission of the MAC frame data is completed, and the transmission efficiency of the MAC frame data is improved; the invention can set the priority transmission rule according to the protocol type and/or the service type, and after identifying and analyzing single or a plurality of analysis data, the MAC frame data is forwarded according to the priority transmission rule, thereby ensuring the transmission efficiency of the MAC frame data of a certain important protocol or important service.

Description

MAC frame data transmission processing equipment and data transmission processing method thereof
Technical Field
The invention belongs to the field of data transmission, relates to an MAC frame data transmission processing technology, and particularly relates to an MAC frame data transmission processing device and a data transmission processing method thereof.
Background
The MAC frame is one of frame data, is a protocol data unit of a data link layer, mainly comprises a frame head, a data part and a frame tail, and is widely applied, so that the efficient transmission of the MAC frame data is very important.
In the prior art (patent application with the document number of CN 103731360B), MAC frames of different service types are divided into a plurality of data blocks according to a preset length, and MAC frame data detection and storage are performed on the data blocks according to a preset sequence in a system cycle, so that the problem of limited application range of the MAC frame data can be solved; when the prior art processes MAC frame data of various different service types, the transmission sequence can not be adjusted according to the characteristics of the MAC frame data, so that the transmission efficiency of the MAC frame data is low; therefore, there is a need for a MAC frame data transmission processing apparatus and a data transmission processing method thereof.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art; therefore, the invention provides an MAC frame data transmission processing device and a data transmission processing method thereof, which are used for solving the technical problem that the transmission efficiency of MAC frame data is low because the transmission sequence of the MAC frame data cannot be adjusted when multi-service MAC frame data is transmitted in the prior art.
The MAC frame data processing module divides the MAC frame data according to the analysis period after receiving the MAC frame data, and then identifies and analyzes the division result, thereby completing the high-efficiency transmission of the MAC frame data and improving the transmission efficiency of the MAC frame data.
To achieve the above object, a first aspect of the present invention provides a MAC frame data transmission processing device, including:
a data forwarding module: carrying out data interaction with an upper computer; receiving MAC frame data, synchronizing and checking the MAC frame data, and then forwarding the MAC frame data to an MAC frame data processing module or an upper computer;
the MAC frame data processing module: performing data interaction with the Ethernet; and analyzing the MAC frame data, adjusting and storing a transmission sequence according to an analysis result, and sending the MAC frame data to an Ethernet or a data forwarding module according to the transmission sequence.
Preferably, the data forwarding module receives MAC frame data of the upper computer through the PCIE interface, synchronizes and checks the MAC frame data, and forwards the MAC frame data to the MAC frame data processing module; or
And receiving the MAC frame number of the MAC frame data processing module through the PCIE interface, and transmitting the MAC frame data to the upper computer after synchronizing and checking the MAC frame data.
Preferably, the MAC frame data processing module sends the MAC frame data to the ethernet by using the PHY driving circuit; or
MAC frame data is collected through the Ethernet and is sent to the data forwarding module through the PICE interface.
The second aspect of the present invention provides a method for transmitting and processing MAC frame data, including:
the MAC frame data processing module receives MAC frame data;
acquiring an analysis period, dividing MAC frame data by combining acquisition time, and acquiring a plurality of sections of analysis data; wherein, each section of analysis data at least comprises a complete MAC frame number;
and identifying and analyzing the plurality of sections of analysis data, forwarding the analysis data by combining a priority transmission rule, and storing the analysis data.
Preferably, the setting of the analysis period by the MAC frame data processing module includes:
acquiring the maximum throughput of a PCIE interface and the data processing capacity of an MAC frame data processing module in unit time, and respectively marking as ZTT and SCL;
acquiring an analysis period FZQ according to a formula FZQ ═ a × ZTT/SCL; wherein, alpha is a proportionality coefficient, and alpha is a real number larger than 0.
Preferably, dividing the MAC frame data according to the analysis period includes:
acquiring the acquisition time of MAC frame data;
and combining the analysis period with the acquisition time, and dividing the MAC frame data into a plurality of sections of analysis data.
Preferably, the priority transmission rule is set by the MAC frame data processing module, and includes:
setting a priority transmission rule according to the protocol type and/or the service type;
storing the priority transmission rule in an MAC frame data processing module; wherein the priority transmission rule is updated regularly.
Preferably, the MAC frame data in the plurality of segments of the analysis data are identified and analyzed, the MAC frame data meeting the rules are extracted according to the priority transmission rule, and the MAC frame data are sequentially forwarded.
Compared with the prior art, the invention has the beneficial effects that:
1. the MAC frame data processing module divides the MAC frame data according to the analysis period after receiving the MAC frame data, and then identifies and analyzes the division result, thereby completing the high-efficiency transmission of the MAC frame data and improving the transmission efficiency of the MAC frame data.
2. The invention can set the priority transmission rule according to the protocol type and/or the service type, and after identifying and analyzing single or a plurality of analysis data, the MAC frame data is forwarded according to the priority transmission rule, thereby ensuring the transmission efficiency of the MAC frame data of a certain important protocol or important service.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the working steps of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The MAC frame is a kind of frame data, and is a protocol data unit of a data link layer, and mainly includes three parts, a frame header, a data part, and a frame trailer, where the frame header and the frame trailer include some necessary control information, such as synchronization information, address information, error control information, and the like, and the data part is specific data carried, such as an IP data packet.
In the prior art (patent application with the document number of CN 103731360B), MAC frames of different service types are divided into a plurality of data blocks according to a preset length, and MAC frame data detection and storage are performed on the data blocks according to a preset sequence in a system cycle, so that the problem of limited application range of the MAC frame data can be solved; in the prior art, when processing MAC frame data of various different service types, the transmission sequence cannot be adjusted according to the characteristics of the MAC frame data, so that the transmission efficiency of the MAC frame data is low.
The MAC frame data processing module divides the MAC frame data according to the analysis period after receiving the MAC frame data, and then identifies and analyzes the division result, thereby completing the high-efficiency transmission of the MAC frame data and improving the transmission efficiency of the MAC frame data.
Referring to fig. 1, a first embodiment of the present application provides a MAC frame data transmission processing device, including:
a data forwarding module: carrying out data interaction with an upper computer; receiving MAC frame data, synchronizing and checking the MAC frame data, and then forwarding the MAC frame data to an MAC frame data processing module or an upper computer;
the MAC frame data processing module: performing data interaction with the Ethernet; and analyzing the MAC frame data, adjusting and storing a transmission sequence according to an analysis result, and sending the MAC frame data to an Ethernet or a data forwarding module according to the transmission sequence.
The upper computer in the application is specifically a communication terminal, the lower computer is specifically a data computing device (such as a smart phone, a notebook computer and a workstation), a network transfer device is arranged between the MAC frame data processing module and the lower computer, and data interaction between the MAC frame data processing module and the lower computer is realized through the network transfer device.
The data forwarding module comprises a PCIE data forwarding program, receives downlink MAC frame data by adopting a named pipeline or a TCP communication mode, forwards the downlink MAC frame data to the MAC frame data processing module through a PCIE interface, receives data from the MAC frame data processing module through the PCIE interface, and forwards the data to an upper computer.
The MAC frame data processing module comprises an MAC frame data transmission processing board card, the PHY driving circuit is adopted to send MAC data to the Ethernet in a real-time signal mode, MAC frame data on the Ethernet are collected on a physical layer, and the MAC frame data are forwarded to the data forwarding module through the PCIE interface.
In one embodiment, the data forwarding module receives MAC frame data of an upper computer through a PCIE interface, synchronizes and checks the MAC frame data, and forwards the MAC frame data to the MAC frame data processing module; meanwhile, the data forwarding module can receive the MAC frame number of the MAC frame data processing module through the PCIE interface, and forwards the MAC frame data to the upper computer after the MAC frame data is synchronized and verified.
In one embodiment, the MAC frame data processing module sends the MAC frame data to the ethernet using the PHY driving circuit; meanwhile, the MAC frame data processing module can acquire MAC frame data through the Ethernet and send the MAC frame data to the data forwarding module through the PICE interface.
A second aspect of the present application provides a method for transmitting and processing MAC frame data, including:
the MAC frame data processing module receives MAC frame data;
acquiring an analysis period, dividing MAC frame data by combining acquisition time, and acquiring a plurality of sections of analysis data; wherein, each section of analysis data at least comprises a complete MAC frame number;
and identifying and analyzing the plurality of sections of analysis data, forwarding the analysis data by combining a priority transmission rule, and storing the analysis data.
When the analysis data is stored, the MAC frame data of the same service type or the same protocol type can be extracted and stored uniformly.
The MAC frame data in this application does not refer to only one MAC data frame, but in most cases, the MAC frame data set includes at least one MAC data frame (MAC frame data).
The method mainly aims to identify and select the MAC frame data in a certain time period, and then sequentially transmit the MAC frame data of different types of protocols or different types of services according to a set priority transmission rule so as to improve the multi-service data transmission efficiency.
In one embodiment, the setting of the analysis period by the MAC frame data processing module includes:
acquiring the maximum throughput of a PCIE interface and the data processing capacity of an MAC frame data processing module in unit time, and respectively marking as ZTT and SCL;
the analysis period FZQ is obtained according to the formula FZQ ═ a × ZTT/SCL.
The main purpose in this embodiment is to divide the MAC frame data received in a unit time to improve the data processing efficiency; alpha is a proportionality coefficient, alpha is a real number larger than 0, and alpha is set according to experience.
In one embodiment, dividing the MAC frame data according to an analysis period includes:
acquiring the acquisition time of MAC frame data;
and combining the analysis period with the acquisition time, and dividing the MAC frame data into a plurality of sections of analysis data.
This embodiment is divided based on the data amount, and illustrates this embodiment:
the maximum throughput of the PCIE interface in unit time is 1000M, and the data processing capacity of the MAC frame data processing module in unit time is 10M;
the analysis period can be 100 according to a formula, the unit time is divided into 100 parts, and the MAC frame data can be divided according to the acquisition time.
It will be appreciated that the data throughput per unit time (e.g. 1 second) does not vary drastically and can therefore be divided according to the acquisition time.
In other preferred embodiments, when the data throughput per unit time changes greatly, the division may be performed directly according to the processing amount per unit time, and in the above example, the division may be performed every 10M to a piece of analysis data, for example:
the maximum throughput of the PCIE interface in unit time is 1000M, and the data processing capacity of the MAC frame data processing module in unit time is 10M;
and directly dividing the MAC frame data into 10M pieces of analysis data according to the sequence of the acquisition time.
It can be understood that, when the analysis period is obtained or the MAC frame data is divided, the MAC frame data is divided according to the maximum throughput per unit time, that is, the total number of the analysis data segments per unit time does not reach the maximum.
In consideration of the variation of the receiving amount of the MAC frame data, the MAC frame data needs to be divided according to actual situations.
In one embodiment, the priority transmission rule is set by the MAC frame data processing module, and includes:
setting a priority transmission rule according to the protocol type and/or the service type;
storing the priority transmission rule in an MAC frame data processing module; wherein the priority transmission rule is updated regularly.
The header of the MAC frame includes three fields. The first two fields are a destination address field and a source address field of 6 bytes in length, respectively, the destination address field contains destination MAC address information, and the source address field contains source MAC address information. The third field is a 2-byte type field containing information to indicate what protocol was used by the previous layer so that the receiving end handed over the data portion of the received MAC frame to the previous layer. For example, when the value of the type field is 0x0800, it indicates that the IP datagram is used by the upper layer; if the value of the type field is 0x8137, it indicates that the frame is sent by Novell IPX.
The data part of the MAC frame has only one field with a length of between 46 and 1500 bytes, and contains information about the data coming down from the network layer. The end of the MAC frame also has only one field, 4 bytes long, containing information such as the frame check sequence FCS (using CRC check).
The MAC frame data may be identified according to the characteristics of the MAC frame data, and the identification result includes a protocol type and a service type, where the protocol type may be used as a main basis, for example, in a unit time, the MAC frame data corresponding to a certain protocol type is preferentially transmitted, and the service type may be used as a main basis, for example, in a unit time, the MAC frame data corresponding to a certain service type is preferentially transmitted.
It should be noted that the protocol type and the service type may also be combined to set the priority transmission rule, for example:
acquiring MAC frame data of a certain protocol type in unit time, sequencing the MAC frame data according to the service type (considering acquisition time if repeated), and forwarding the MAC frame data according to a final sequencing result; or
And acquiring MAC frame data of a certain service type in unit time, sequencing the MAC frame data according to the protocol type (considering acquisition time if the MAC frame data is repeated), and forwarding the MAC frame data according to a final sequencing result.
In a specific embodiment, the MAC frame data in the several segments of analysis data are identified and analyzed, the MAC frame data meeting the rules are extracted according to the priority transmission rule, and the MAC frame data are sequentially forwarded.
The main purpose of this embodiment is to identify several pieces of analysis data, and forward MAC frame data according to a set priority transmission rule, which illustrates this embodiment:
and extracting analysis data which are ranked in front (can be ranked according to the acquisition time), and acquiring the protocol type and the service type of the MAC frame data in the analysis data, namely forwarding the MAC frame data according to a priority transmission rule.
It should be noted that, in the present embodiment, under the condition that the data processing capability allows, multiple pieces of analysis data may be identified at the same time, and the MAC frame data that needs to be preferentially transmitted among the several pieces of analysis data are arranged in the same order and are preferentially forwarded, so as to improve the data forwarding efficiency.
Part of data in the formula is obtained by removing dimension and taking the value to calculate, and the formula is obtained by simulating a large amount of collected data through software and is closest to a real situation; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or obtained through simulation of a large amount of data.
The working principle of the invention is as follows:
the MAC frame data processing module receives the MAC frame data, extracts an analysis period, divides the MAC frame data by combining the analysis period and the acquisition time, and acquires a plurality of sections of analysis data.
And identifying and extracting the MAC frame data by combining the characteristics of the MAC frame data, forwarding the analysis data by combining a priority transmission rule, and storing the analysis data.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.

Claims (8)

1. A MAC frame data transmission processing device, characterized by comprising:
a data forwarding module: carrying out data interaction with an upper computer; receiving MAC frame data, synchronizing and checking the MAC frame data, and then forwarding the MAC frame data to an MAC frame data processing module or an upper computer;
the MAC frame data processing module: performing data interaction with the Ethernet; and analyzing the MAC frame data, adjusting and storing a transmission sequence according to an analysis result, and sending the MAC frame data to an Ethernet or a data forwarding module according to the transmission sequence.
2. The device for transmitting and processing MAC frame data according to claim 1, wherein the data forwarding module receives MAC frame data of an upper computer through a PCIE interface, synchronizes and checks the MAC frame data, and forwards the MAC frame data to the MAC frame data processing module; or
And receiving the MAC frame number of the MAC frame data processing module through the PCIE interface, and forwarding the MAC frame data to the upper computer after the MAC frame data is synchronized and checked.
3. The device for MAC frame data transmission processing according to claim 1, wherein the MAC frame data processing module sends MAC frame data to the ethernet using a PHY driver circuit; or alternatively
MAC frame data is collected through the Ethernet and is sent to the data forwarding module through the PICE interface.
4. A MAC frame data transmission processing method executed based on the MAC frame data transmission processing device of any one of claims 1 to 3, comprising:
the MAC frame data processing module receives MAC frame data;
acquiring an analysis period, dividing MAC frame data by combining acquisition time, and acquiring a plurality of sections of analysis data; wherein, each section of analysis data at least comprises a complete MAC frame number;
and identifying and analyzing the plurality of sections of analysis data, and forwarding the analysis data by combining a priority transmission rule.
5. The method as claimed in claim 4, wherein the setting of the analysis period by the MAC frame data processing module includes:
acquiring the maximum throughput of a PCIE interface and the data processing capacity of an MAC frame data processing module in unit time, and respectively marking as ZTT and SCL;
acquiring an analysis period FZQ according to a formula FZQ ═ a × ZTT/SCL; wherein, alpha is a proportionality coefficient, and alpha is a real number larger than 0.
6. The method according to claim 4 or 5, wherein dividing the MAC frame data according to the analysis period comprises:
acquiring the acquisition time of MAC frame data;
and combining the analysis period with the acquisition time, and dividing the MAC frame data into a plurality of sections of analysis data.
7. The method as claimed in claim 4, wherein the priority transmission rule is set by the MAC frame data processing module, and comprises:
setting a priority transmission rule according to the protocol type and/or the service type;
storing the priority transmission rule in an MAC frame data processing module; wherein the priority transmission rule is updated regularly.
8. The method according to claim 4 or 7, wherein the MAC frame data in the plurality of segments of the analysis data are identified and analyzed, the MAC frame data meeting the rules are extracted according to the priority transmission rule, and the MAC frame data are sequentially forwarded.
CN202210203402.6A 2022-03-03 2022-03-03 MAC frame data transmission processing equipment and data transmission processing method thereof Pending CN114448574A (en)

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Citations (7)

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JP2003153221A (en) * 2001-11-16 2003-05-23 Hitachi Ltd Cable modem
CN103701775A (en) * 2013-12-04 2014-04-02 中国科学院深圳先进技术研究院 Method and device for resisting traffic analysis and sending/receiving data
CN107172191A (en) * 2017-06-15 2017-09-15 西安电子科技大学 Multi-rotor unmanned aerial vehicle remote monitoring method based on multi-priority services
CN109921970A (en) * 2019-03-14 2019-06-21 北京经纬恒润科技有限公司 A kind of data processing method and system
CN112105080A (en) * 2020-11-18 2020-12-18 之江实验室 Time-sensitive network data transmission system and transmission method
CN112311496A (en) * 2019-07-26 2021-02-02 华为技术有限公司 Data transmission method and device
CN112751788A (en) * 2020-12-30 2021-05-04 西安云维智联科技有限公司 Double-plane switching method supporting multi-type frame mixed transmission

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003153221A (en) * 2001-11-16 2003-05-23 Hitachi Ltd Cable modem
CN103701775A (en) * 2013-12-04 2014-04-02 中国科学院深圳先进技术研究院 Method and device for resisting traffic analysis and sending/receiving data
CN107172191A (en) * 2017-06-15 2017-09-15 西安电子科技大学 Multi-rotor unmanned aerial vehicle remote monitoring method based on multi-priority services
CN109921970A (en) * 2019-03-14 2019-06-21 北京经纬恒润科技有限公司 A kind of data processing method and system
CN112311496A (en) * 2019-07-26 2021-02-02 华为技术有限公司 Data transmission method and device
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CN112751788A (en) * 2020-12-30 2021-05-04 西安云维智联科技有限公司 Double-plane switching method supporting multi-type frame mixed transmission

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