CN109067563B - Self-adaptive adjustment method and system for Ethernet parameters - Google Patents
Self-adaptive adjustment method and system for Ethernet parameters Download PDFInfo
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Abstract
The invention provides a method and a system for self-adaptive adjustment of Ethernet parameters, wherein the method comprises the steps of establishing a parameter communication configuration table, sequentially updating values of a first register and a second register according to the communication configuration table, and judging whether the communication between a data link layer and a physical layer is normal or not when the values of the first register and the second register are numerical values corresponding to each coordinate point; if yes, adding identification information to the corresponding coordinate point position in the communication configuration table, otherwise, not adding the identification information; after all coordinate points in the communication configuration table are completely traversed, determining a corresponding optimal communication area according to the distribution condition of the identification information in the communication configuration table at the moment, and selecting one coordinate point in the optimal communication area as an optimal communication point according to a preset rule; and respectively updating the horizontal and vertical coordinates corresponding to the optimal link point to the first register and the second register. The invention can select the best Tx and Rx register parameters, and ensure the best bandwidth of the Ethernet.
Description
Technical Field
The invention relates to the field of network parameter configuration, in particular to a method and a system for adaptively adjusting Ethernet parameters.
Background
The gigabit ethernet has the characteristics of high transmission rate, high clock frequency and the like, and the tiny differences of the wiring of electronic circuits can cause the bandwidth of the gigabit ethernet to be unstable, so that the phenomenon is caused because the data read-write clock and the reference clock have certain offset. Currently, the method of correcting this clock skew is to use an oscilloscope to test the waveforms of the read-write clock and the reference clock and adjust the Tx and Rx registers until the clock skew is adjusted to a reasonable range interval. The Tx register and the Rx register are two registers in the data link layer for storing a transmission gain value and a reception gain value, respectively. The reference links are as follows:
https://www.cnblogs.com/touchblue/p/3535576.html
however, due to the difference in test point selection, the values of the Tx register and the Rx register selected by the oscilloscope are not the optimal values of the Tx register and the Rx register of the gigabit ethernet, and the optimal bandwidth of the ethernet cannot be guaranteed.
Disclosure of Invention
Therefore, a technical scheme for adaptive adjustment of ethernet parameters needs to be provided to solve the problem that the current method for correcting the deviation through an oscilloscope cannot ensure that the values of the selected Tx and Rx registers are the optimal values, so that the optimal bandwidth of the ethernet cannot be ensured.
To achieve the above object, the inventors provide an ethernet parameter adaptive adjustment system, which includes a data link layer, a physical layer, a processor, and a computer program, wherein the data link layer is connected to the physical layer; the data link layer comprises a first register and a second register, wherein the first register is used for storing a transmission gain value; the second register is used for storing a receiving gain value;
the computer program when executed by a processor implementing the steps of:
establishing a parameter communication configuration table, wherein the horizontal and vertical coordinates of the parameter communication configuration table respectively correspond to a transmission gain value and a receiving gain value;
sequentially updating the values of the first register and the second register according to the communication configuration table, and judging whether the communication between the data link layer and the physical layer is normal or not when the values of the first register and the second register are numerical values corresponding to the coordinate points; if yes, adding identification information to the corresponding coordinate point position in the communication configuration table, otherwise, not adding the identification information;
after all coordinate points in the communication configuration table are completely traversed, determining a corresponding optimal communication area according to the distribution condition of the identification information in the communication configuration table at the moment, and selecting one coordinate point in the optimal communication area as an optimal communication point according to a preset rule;
and respectively updating the horizontal and vertical coordinates corresponding to the optimal link point to the first register and the second register.
Further, determining the corresponding optimal connected region according to the distribution of the identification information in the current connected configuration table includes:
and selecting the area with the maximum area as the optimal communication area, wherein the proportion of the coordinate points with the identification information in the area range exceeds the preset proportion.
Further, the communication area is circular, and selecting a coordinate point in the optimal communication area as an optimal communication point according to a preset rule includes:
and selecting a circle center coordinate point of the optimal communication area as an optimal communication point.
Further, determining whether the communication between the data link layer and the physical layer is normal includes:
and controlling the data link layer to send message data to the physical layer, and judging whether the data link layer can receive the same message data fed back by the physical layer.
The invention also provides an Ethernet parameter adaptive adjusting method, which is applied to an Ethernet parameter adaptive adjusting system, wherein the system comprises a data link layer, a physical layer and a processor, and the data link layer is connected with the physical layer; the data link layer comprises a first register and a second register, wherein the first register is used for storing a transmission gain value; the second register is used for storing a receiving gain value;
the method comprises the following steps:
establishing a parameter communication configuration table, wherein the horizontal and vertical coordinates of the parameter communication configuration table respectively correspond to a transmission gain value and a receiving gain value;
sequentially updating the values of the first register and the second register according to the communication configuration table, and judging whether the communication between the data link layer and the physical layer is normal or not when the values of the first register and the second register are numerical values corresponding to the coordinate points; if yes, adding identification information to the corresponding coordinate point position in the communication configuration table, otherwise, not adding the identification information;
after all coordinate points in the communication configuration table are completely traversed, determining a corresponding optimal communication area according to the distribution condition of the identification information in the communication configuration table at the moment, and selecting one coordinate point in the optimal communication area as an optimal communication point according to a preset rule;
and respectively updating the horizontal and vertical coordinates corresponding to the optimal link point to the first register and the second register.
Further, determining the corresponding optimal connected region according to the distribution of the identification information in the current connected configuration table includes:
and selecting the area with the maximum area as the optimal communication area, wherein the proportion of the coordinate points with the identification information in the area range exceeds the preset proportion.
Further, the communication area is circular, and selecting a coordinate point in the optimal communication area as an optimal communication point according to a preset rule includes:
and selecting a circle center coordinate point of the optimal communication area as an optimal communication point.
Further, determining whether the communication between the data link layer and the physical layer is normal includes:
and controlling the data link layer to send message data to the physical layer, and judging whether the data link layer can receive the same message data fed back by the physical layer.
Different from the prior art, the method and the system for adaptively adjusting the ethernet parameters in the above technical scheme are characterized in that a parameter communication configuration table is established, values of a first register and a second register are sequentially updated according to the communication configuration table, and whether the communication between a data link layer and a physical layer is normal or not is judged when the values of the first register and the second register are values corresponding to each coordinate point; if yes, adding identification information to the corresponding coordinate point position in the communication configuration table, otherwise, not adding the identification information; after all coordinate points in the communication configuration table are completely traversed, determining a corresponding optimal communication area according to the distribution condition of the identification information in the communication configuration table at the moment, and selecting one coordinate point in the optimal communication area as an optimal communication point according to a preset rule; and respectively updating the horizontal and vertical coordinates corresponding to the optimal link point to the first register and the second register. The invention can select the optimal Tx and Rx register parameters, ensure the optimal bandwidth of the Ethernet and effectively avoid the test error of the oscilloscope.
Drawings
Fig. 1 is a schematic diagram of an ethernet parameter adaptive adjustment system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a parameter communication configuration table according to an embodiment of the present invention;
fig. 3 is a flowchart of a method for adaptively adjusting ethernet parameters according to an embodiment of the present invention.
Description of reference numerals:
101. a MAC sublayer;
111. a first register; 112. a second register;
113. a first message sending interface; 114. a first message receiving interface;
102. a physical layer;
121. a second message sending interface; 122. and a second message receiving interface.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1, a schematic diagram of an ethernet parameter adaptive adjustment system according to an embodiment of the present invention is shown. The system starts to carry out self-adaptive adjustment on Ethernet parameters in a Loopback test mode.
The system comprises a data link layer, a physical layer 102, a processor and a computer program, the data link layer being connected to the physical layer 102; the data link layer comprises a first register 111 and a second register 112, wherein the first register 111 is used for storing a transmission gain value; the second register 112 is used to store the receive gain value.
In this embodiment, the data link layer is the MAC sublayer 101. The main functions of the MAC sublayer include encapsulation/de-encapsulation of data frames, addressing and identification of frames, reception and transmission of frames, management of links, error control of frames, etc.
The computer program when executed by a processor implementing the steps of:
and establishing a parameter communication configuration table, wherein the horizontal and vertical coordinates of the parameter communication configuration table respectively correspond to the transmission gain value and the receiving gain value. Of course, in other embodiments, the transmission gain value may be configured as the ordinate and the reception gain value may be configured as the abscissa.
Sequentially updating the values of the first register and the second register according to the communication configuration table, and judging whether the communication between the data link layer and the physical layer is normal or not when the values of the first register and the second register are numerical values corresponding to the coordinate points; and if so, adding identification information to the corresponding coordinate point position in the Unicom configuration table, otherwise, not adding the identification information.
The identification information may be numbers, characters, character strings, Chinese characters, etc., or may be represented by whether the graphics are filled. As indicated by the black padding in fig. 2, when the values of the first register and the second register are respectively configured to black-pad the corresponding abscissa and ordinate values, the communication between the data link layer and the physical layer is normal; conversely, white fill (i.e., the "hole" referred to below) indicates that communication between the data link layer and the physical layer is abnormal when the values of the first register and the second register are respectively configured as the abscissa and ordinate values corresponding to the white fill.
In this embodiment, the determining whether the communication between the data link layer and the physical layer is normal includes: and controlling the data link layer to send message data to the physical layer, and judging whether the data link layer can receive the same message data fed back by the physical layer. Specifically, the MAC sublayer sends the packet data to the second packet receiving interface 122 of the physical layer through the first packet sending interface 113, the physical layer transmits the packet data back to the first packet receiving interface 114 of the MAC sublayer through the second packet sending interface 121, and the MAC sublayer checks whether the communication with the physical layer is normal through "self-sending and self-receiving", that is, if the received packet data is consistent with the sent packet data, it indicates that the communication between the data link layer and the physical layer is normal; otherwise, it is abnormal.
After all coordinate points in the communication configuration table are completely traversed, determining a corresponding optimal communication area according to the distribution condition of the identification information in the communication configuration table at the moment, and selecting one coordinate point in the optimal communication area as an optimal communication point according to a preset rule; and then respectively updating the horizontal and vertical coordinates corresponding to the optimal link point to the first register and the second register.
In this embodiment, determining the corresponding optimal connected region according to the distribution of the identification information in the current connected configuration table includes: and selecting the area with the maximum area as the optimal communication area, wherein the proportion of the coordinate points with the identification information in the area range exceeds the preset proportion. Preferably, the communication area is circular, and selecting a coordinate point in the optimal communication area as the optimal communication point according to a preset rule includes: and selecting a circle center coordinate point of the optimal communication area as an optimal communication point.
As shown in fig. 2, based on the identification information (i.e. black filling condition) in the link configuration table, approximately four link regions can be found, namely:
the communication area-A1 is characterized by containing a plurality of holes, and the proportion of coordinate points with identification information in the area is generally ignored because the proportion does not exceed a preset proportion.
The communicating region-A2 is characterized by regular region and small area.
The communicating region-A3 is characterized by irregular region and larger area.
The region of communication-a 4, is characterized by often only isolated points, and such regions are generally ignored because of their small area.
Therefore, the optimal communication area in fig. 2 is A3, the optimal communication point is the center coordinate corresponding to the area A3, and the abscissa and ordinate values of the optimal communication point are the optimal values of the gain values stored in the first register and the second register.
In other embodiments, the communication area may also be other irregular shapes. After the optimal communication area (the area with the maximum area and the proportion of the coordinate points with the identification information in the selected area range exceeding the preset proportion) is selected, the average of the horizontal coordinates of all the coordinate points in the optimal communication area is taken as the updating value of the first register, and the average of the vertical coordinates of all the coordinate points in the optimal communication area is taken as the updating value of the second register, so that the optimal parameters of the gigabit Ethernet Tx register and the gigabit Ethernet Rx register are evaluated. Of course, the horizontal and vertical coordinates of all coordinate points in the optimal communication area can be arranged from large to small or from small to large, the median of the arranged horizontal coordinates is taken as the update value of the first register, and the median of the arranged vertical coordinates is taken as the update value of the second register.
Referring to fig. 3, the method is applied to an ethernet parameter adaptive adjustment system, where the system includes a data link layer, a physical layer, and a processor, and the data link layer is connected to the physical layer; the data link layer comprises a first register and a second register, wherein the first register is used for storing a transmission gain value; the second register is used for storing a receiving gain value;
the method comprises the following steps:
step S301 is first entered to establish a parameter connection configuration table. And the horizontal and vertical coordinates of the parameter communication configuration table respectively correspond to the transmission gain value and the receiving gain value.
Then, step S302 is entered to sequentially update the values of the first register and the second register according to the communication configuration table, and whether the communication between the data link layer and the physical layer is normal is judged when the values of the first register and the second register are numerical values corresponding to the coordinate points; if yes, adding identification information to the corresponding coordinate point position in the communication configuration table, otherwise, not adding the identification information;
then, step S303 is carried out, after all coordinate points in the communication configuration table are completely traversed, a corresponding optimal communication area is determined according to the distribution condition of the identification information in the communication configuration table at the moment, and one coordinate point in the optimal communication area is selected as an optimal communication point according to a preset rule;
and then step S304 is carried out to update the horizontal and vertical coordinates corresponding to the optimal link point to the first register and the second register respectively.
In some embodiments, determining the corresponding optimal connection area according to the distribution of the identification information in the current connection configuration table includes: and selecting the area with the maximum area as the optimal communication area, wherein the proportion of the coordinate points with the identification information in the area range exceeds the preset proportion.
In some embodiments, the communication area is a circle, and selecting one coordinate point in the optimal communication area as the optimal communication point according to a preset rule includes: and selecting a circle center coordinate point of the optimal communication area as an optimal communication point.
In some embodiments, determining whether communication between the data link layer and the physical layer is normal comprises: and controlling the data link layer to send message data to the physical layer, and judging whether the data link layer can receive the same message data fed back by the physical layer.
The invention provides a method and a system for self-adaptive adjustment of Ethernet parameters, wherein the method comprises the steps of establishing a parameter communication configuration table, sequentially updating values of a first register and a second register according to the communication configuration table, and judging whether the communication between a data link layer and a physical layer is normal or not when the values of the first register and the second register are numerical values corresponding to each coordinate point; if yes, adding identification information to the corresponding coordinate point position in the communication configuration table, otherwise, not adding the identification information; after all coordinate points in the communication configuration table are completely traversed, determining a corresponding optimal communication area according to the distribution condition of the identification information in the communication configuration table at the moment, and selecting one coordinate point in the optimal communication area as an optimal communication point according to a preset rule; and respectively updating the horizontal and vertical coordinates corresponding to the optimal link point to the first register and the second register. The invention can select the best Tx and Rx register parameters, and ensure the best bandwidth of the Ethernet.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (6)
1. An Ethernet parameter adaptive adjustment system, characterized in that the system comprises a data link layer, a physical layer, a processor and a computer program, wherein the data link layer is connected with the physical layer; the data link layer comprises a first register and a second register, wherein the first register is used for storing a transmission gain value; the second register is used for storing a receiving gain value;
the computer program when executed by a processor implementing the steps of:
establishing a parameter communication configuration table, wherein the horizontal and vertical coordinates of the parameter communication configuration table respectively correspond to a transmission gain value and a receiving gain value;
sequentially updating the values of the first register and the second register according to the communication configuration table, and judging whether the communication between the data link layer and the physical layer is normal or not when the values of the first register and the second register are numerical values corresponding to the coordinate points; if yes, adding identification information to the corresponding coordinate point position in the communication configuration table, otherwise, not adding the identification information;
after all coordinate points in the communication configuration table are completely traversed, determining a corresponding optimal communication area according to the distribution condition of the identification information in the communication configuration table at the moment, and selecting one coordinate point in the optimal communication area as an optimal communication point according to a preset rule;
respectively updating the horizontal and vertical coordinates corresponding to the optimal link point to a first register and a second register; determining the corresponding optimal connection area according to the distribution condition of the identification information in the current connection configuration table comprises:
and selecting the area with the maximum area as the optimal communication area, wherein the proportion of the coordinate points with the identification information in the area range exceeds the preset proportion.
2. The adaptive ethernet parameter adjustment system according to claim 1, wherein the communication area is a circle, and the selecting a coordinate point in the optimal communication area as the optimal communication point according to the predetermined rule comprises:
and selecting a circle center coordinate point of the optimal communication area as an optimal communication point.
3. The adaptive ethernet parameter adjustment system according to claim 1, wherein the determining whether the communication between the data link layer and the physical layer is normal comprises:
and controlling the data link layer to send message data to the physical layer, and judging whether the data link layer can receive the same message data fed back by the physical layer.
4. The method is applied to an Ethernet parameter adaptive adjustment system, the system comprises a data link layer, a physical layer and a processor, wherein the data link layer is connected with the physical layer; the data link layer comprises a first register and a second register, wherein the first register is used for storing a transmission gain value; the second register is used for storing a receiving gain value;
the method comprises the following steps:
establishing a parameter communication configuration table, wherein the horizontal and vertical coordinates of the parameter communication configuration table respectively correspond to a transmission gain value and a receiving gain value;
sequentially updating the values of the first register and the second register according to the communication configuration table, and judging whether the communication between the data link layer and the physical layer is normal or not when the values of the first register and the second register are numerical values corresponding to the coordinate points; if yes, adding identification information to the corresponding coordinate point position in the communication configuration table, otherwise, not adding the identification information;
after all coordinate points in the communication configuration table are completely traversed, determining a corresponding optimal communication area according to the distribution condition of the identification information in the communication configuration table at the moment, and selecting one coordinate point in the optimal communication area as an optimal communication point according to a preset rule;
respectively updating the horizontal and vertical coordinates corresponding to the optimal link point to a first register and a second register; determining the corresponding optimal connection area according to the distribution condition of the identification information in the current connection configuration table comprises:
and selecting the area with the maximum area as the optimal communication area, wherein the proportion of the coordinate points with the identification information in the area range exceeds the preset proportion.
5. The adaptive ethernet parameter adjustment method according to claim 4, wherein the communication area is a circle, and selecting a coordinate point in the optimal communication area as the optimal communication point according to the preset rule comprises:
and selecting a circle center coordinate point of the optimal communication area as an optimal communication point.
6. The adaptive ethernet parameter adjustment method according to claim 4, wherein the determining whether the communication between the data link layer and the physical layer is normal comprises:
and controlling the data link layer to send message data to the physical layer, and judging whether the data link layer can receive the same message data fed back by the physical layer.
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