CN102523159A - Certification message generation method and system for network chip - Google Patents
Certification message generation method and system for network chip Download PDFInfo
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- CN102523159A CN102523159A CN2011104203035A CN201110420303A CN102523159A CN 102523159 A CN102523159 A CN 102523159A CN 2011104203035 A CN2011104203035 A CN 2011104203035A CN 201110420303 A CN201110420303 A CN 201110420303A CN 102523159 A CN102523159 A CN 102523159A
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Abstract
The invention provides a certification message generation method and a certification message generation system for a network chip. The method comprises the following steps of: step S1, reading a configuration file to acquire configuration data; step S2, judging whether message sequence date is generated according to a flow rate control access, if so, executing step S3, otherwise, stopping generating the message sequence data; and step S3, generating and sending the message sequence data according to the configuration data. The certification message generation method and the certification message generation system for the network chip can realize flexibly, effectively and automatically generating messages, satisfies the certification drive requirement of the existing high-performance network chip, quickens the certification, and increases the certification quality.
Description
Technical field
The present invention relates to the design verification technical field of network chip, relate in particular to a kind of checking message forming method and system of network chip.
Background technology
The functional verification of high performance network chip has become the electronic system of restriction high complexity and the main bottleneck of chip design, and along with chip port increases, flow increases, and verifies that used message generting machanism also becomes complicated and changeable.
Message is a very important part to the functional verification of high performance network chip, belongs to test and excitation and generates.Message is generated this link; The way that most of chip design company takes at present all is through sending message data, the availability that improves the message generation module and durability, increase personnel's input and operating time every day one by one, thereby shortening the proving time reaches the purpose that the construction cycle shortens.
Usually generate message and comprise following method:
1, according to message format, insert the field contents that needs successively, be kept at text or database at last;
2, the excitation generation module extracts message content from text or database, the message that generation needs.
Yet the message format of real network environment is at random, and data stream bandwidth is indefinite.In the time of most of, said method is fairly simple effectively for functional verification, but can't solve that message content changes or during performance verification to the requirement of message stimulating module.
In view of this, the checking message forming method and the system that are necessary to provide a kind of network chip are to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of checking message forming method and system of network chip.
The checking message forming method of a kind of network chip of the present invention said method comprising the steps of:
S1, read configuration file, obtain configuration data;
S2, according to the flow control path, judge whether to produce the sequence of message data, if execution in step S3 if not, stops to produce the sequence of message data;
S3, produce and send the message sequence data according to said configuration data.
As further improvement of the present invention, said configuration file comprises:
The configuration file of dynamic-configuration is provided for the port designations configuration;
Select to provide the configuration file of dynamic-configuration for port;
The configuration file of the pattern configurations of giving out a contract for a project is provided;
The configuration file of message source configuration is provided;
Configuration file based on each port message generation strategy is provided.
As further improvement of the present invention, said configuration file based on each port message generation strategy comprises:
The configuration file of burst segment size when giving out a contract for a project is provided;
The configuration file of message format dynamic-configuration is provided;
The configuration file of the message amount that each port will send out is provided;
The configuration file of each port bandwidth is set;
The configuration file that produces wrong excitation is provided.
As further improvement of the present invention, said step S3 is specially:
Send the sequence of message data according to said configuration data generation and through data path.
As further improvement of the present invention, said data path comprises port designations, sequence of message data, start of message (SOM) indicating bit, ENMES indicating bit, error indication bit.
Correspondingly, a kind of checking message generation system of network chip, said system comprises:
Be used to read configuration file, obtain the unit of configuration data;
Be used for judging whether to produce the unit of sequence of message data according to the flow control path;
Be used for producing and sending the unit of message sequence data according to said configuration data.
As further improvement of the present invention, said configuration file comprises:
The configuration file of dynamic-configuration is provided for the port designations configuration;
Select to provide the configuration file of dynamic-configuration for port;
The configuration file of the pattern configurations of giving out a contract for a project is provided;
The configuration file of message source configuration is provided.
As further improvement of the present invention, said configuration file also comprises:
The configuration file of burst segment size when giving out a contract for a project is provided;
The configuration file of message format dynamic-configuration is provided;
The configuration file of the message amount that each port will send out is provided;
The configuration file of each port bandwidth is set;
The configuration file that produces wrong excitation is provided.
As further improvement of the present invention, said system also comprises:
Be used for producing and passing through the unit of data path transmission sequence of message data according to said configuration data.
As further improvement of the present invention, said data path comprises port designations, sequence of message data, start of message (SOM) indicating bit, ENMES indicating bit, error indication bit.
The invention has the beneficial effects as follows: the checking message forming method of network chip provided by the invention and system can support that bandwidth is adjustable, multiport, whole bag or staggered given out a contract for a project, current control, the dynamic multiple function such as Wen Geshi of can delivering newspapers; Can realize that flexibly automation effectively generates message; The checking of satisfying present high performance network chip drives requirement; Accelerate verifying speed, improve the checking quality.Having solved existing high performance network chip sets up the message stimulating module and needs the labor time, the defective that workload is huge in the Design and Features test process.
Description of drawings
Fig. 1 is the checking message forming method schematic flow sheet of network chip in an embodiment of the present invention.
Fig. 2 is the checking message generation system structural representation of network chip in an embodiment of the present invention.
Fig. 3 is the checking message forming method particular flow sheet of network chip in an embodiment of the present invention.
Embodiment
Below will combine each execution mode shown in the drawings to describe the present invention.But these execution modes do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or the function all is included in protection scope of the present invention.
Joining shown in Figure 1 is the checking message forming method schematic flow sheet of network chip in an embodiment of the present invention, and a kind of method of checking message generation system of network chip may further comprise the steps:
S1, read configuration file, obtain configuration data;
S2, according to the flow control path, judge whether to produce the sequence of message data, if execution in step S3 if not, stops to produce the sequence of message data;
S3, produce and send the message sequence data according to said configuration data; Send the sequence of message data according to said configuration data generation and through data path, said data path comprises port designations, sequence of message data, start of message (SOM) indicating bit, ENMES indicating bit, error indication bit.
Wherein, configuration file comprises among the step S1:
The port designations collocation strategy disposes the configuration file that dynamic-configuration is provided for port designations;
The port selection strategy is selected to provide the configuration file of dynamic-configuration for port;
The sequence of message collocation strategy provides the configuration file of the pattern configurations of giving out a contract for a project;
Message source collocation strategy provides the message configuration file that the source disposes;
Message burst collocation strategy provides the big or small configuration file of burst segment when giving out a contract for a project;
Message format dynamic-configuration strategy provides the configuration file of message format dynamic-configuration;
Port message amount collocation strategy provides the configuration file of the message amount that each port will send out;
The port bandwidth collocation strategy is provided with the configuration file of each port bandwidth;
Mistake is injected collocation strategy, and the configuration file that produces wrong excitation is provided.
Correspondingly, the checking message generation system of network chip comprises in an embodiment of the present invention:
Be used to read configuration file, obtain the unit of configuration data;
Be used for judging whether to produce the unit of sequence of message data according to the flow control path;
Be used for producing and sending the unit of message sequence data according to said configuration data.Send the sequence of message data according to said configuration data generation and through data path, said data path comprises port designations, sequence of message data, start of message (SOM) indicating bit, ENMES indicating bit, error indication bit.
Wherein, configuration file comprises:
The port designations collocation strategy disposes the configuration file that dynamic-configuration is provided for port designations;
The port selection strategy is selected to provide the configuration file of dynamic-configuration for port;
The sequence of message collocation strategy provides the configuration file of the pattern configurations of giving out a contract for a project;
Message source collocation strategy provides the message configuration file that the source disposes;
Message burst collocation strategy provides the big or small configuration file of burst segment when giving out a contract for a project;
Message format dynamic-configuration strategy provides the configuration file of message format dynamic-configuration;
Port message amount collocation strategy provides the configuration file of the message amount that each port will send out;
The port bandwidth collocation strategy is provided with the configuration file of each port bandwidth;
Mistake is injected collocation strategy, and the configuration file that produces wrong excitation is provided.
In this execution mode, adopt the C language to set up the model of giving out a contract for a project, adopt the PLI function to dock with hardware description language when the user uses, only need do easy configuration can generate message.
Join the checking message generation system structural representation for network chip in the present invention's one preferred implementation shown in Figure 2, comprising:
Message incentives engine module 10 is used to produce the sequence of message data, generates the checking message information;
Wherein, profile module 20 specifically comprises:
Port designations collocation strategy 21, the port designations configuration that is used to message incentives engine module provides dynamic-configuration mechanism.
The corresponding port designations in each flow control path position, port designations is disposed in configuration file by the user, can be a plurality of unequal in twos integer representations arbitrarily.
The port selection strategy provides eight kinds of patterns to select:
Pattern one: increase progressively Cyclic Selection by the port designations configuration sequence;
Pattern two: select at random by port designations;
Pattern three: on pattern one basis, select according to the port flow control bit; Find the port that allows transmission;
Pattern four: on pattern two bases, select according to the port flow control bit; Find the port that allows transmission;
Pattern five: on pattern one basis, select according to the port actual bandwidth; Find the port that allows transmission;
Pattern six: on pattern two bases, select according to the port actual bandwidth; Find the port that allows transmission;
Pattern seven: on pattern three bases, select according to the port actual bandwidth; Find the port that allows transmission;
Pattern eight: on pattern four bases, select according to the port actual bandwidth; Find the port that allows transmission.
Sequence of message collocation strategy 23 is used to message incentives engine module the pattern configurations mechanism of giving out a contract for a project is provided.
When each port was transmitted messages literary composition, message was cut into the segment of data path width size, and the last segment size of message can be less than data path width.
The pattern of giving out a contract for a project has two kinds:
Pattern one: whole pack mode, after distributing, whole message that can only a port just can send out the message of another one port or same port;
Pattern two: sequence pattern, the message of different port can be that the unit gap and carries out message and send with the segment.
Message source collocation strategy 24 is used to message incentives engine module message source configuration mechanism is provided.
There are two kinds of approach in the source of message, and the user can select to use according to the actual requirements:
Source one: the message file of set form and content;
Source two: the message configuration of dynamic format and content.
Message burst collocation strategy 25 is used to the configuration mechanism that message incentives engine module provides burst segment size when giving out a contract for a project.
According to the configuration of the amount of bursts of each port, the Wen Shike that transmits messages sends out an amount of bursts message segment continuous.
Message format dynamic-configuration strategy 26 is used to message incentives engine module message format dynamic-configuration mechanism is provided.
Message format dynamic-configuration strategy provides three kinds of dynamic-configuration options:
Options one: carry out effective configuration of each field according to present existing network message form, such as configuration place IPV6 message;
Options two: self-defined message format, such as before the IPV6 message, adding self-defining heading;
Options three: message is injected mistake, the excitation of fault-tolerance test is provided.
In this execution mode, can select one or more options.
Port message amount collocation strategy 27 is used to the message amount configuration that provides each port to send out.
Port bandwidth collocation strategy 28 is used to be provided with each port bandwidth configuration.
The port bandwidth collocation strategy can provide traditional port bandwidth configuration, such as 10Mbps, and 100Mbps, 1Gbps, 10Gpbs, 40Gbps, 100Gbps etc.; Also can self-defined band width configuration arbitrarily, such as 2.5Gbps etc.
Mistake is injected collocation strategy 29, is used to provide the excitation that produces mistake.Mistake is injected in message data, the relevant index signal of message.
Accordingly, message incentives engine module 10 comprises in this execution mode:
Port designations dispensing unit 11 is used for read port sign collocation strategy 21;
Port selected cell 12 is used for read port selection strategy 22;
Sequence of message selected cell 13 is used to read sequence of message collocation strategy 23;
Message source control unit 14 is used to read message source collocation strategy 24.
Message burst control unit 15 is used to read message burst collocation strategy 25;
Message format control unit 16 is used to read message format dynamic-configuration strategy 26;
Message amount control unit 17 is used for read port message amount collocation strategy 27;
Mistake is injected unit 19, is used for read error and injects collocation strategy 29.
Joining shown in Figure 3 is the particular flow sheet of the checking message forming method of network chip in an embodiment of the present invention, in conjunction with Fig. 3 the present invention is further specified.
At first message incentives engine module loading profile module reads configuration file, and configuration file is resolved, thereby obtains configuration data.The message incentives engine is configured according to configuration data, if the message source then generates dynamic message for the message configuration of dynamic format and content, carries out sequence of message then and selects; If then resolve static message according to configuration file for the message file of set form and content in the message source, carry out sequence of message then and select.The message incentives engine is carried out port selection, flow control, bandwidth control, message amount control, message burst control successively, is injected mistake etc. then.The data path transmission produces the sequence of message data to module to be tested by the message incentives engine, and data path comprises port designations, sequence of message data, start of message (SOM) indicating bit, ENMES indicating bit, error indication bit etc.Module to be tested also produces the flow control path, and whether flow control path control message incentives engine module the outgoing message sequence data.
Compared with prior art; The checking message forming method of network chip provided by the invention and system can support that bandwidth is adjustable, multiport, whole bag or staggered given out a contract for a project, current control, the dynamic multiple function such as Wen Geshi of can delivering newspapers; Can realize that flexibly automation effectively generates message; The checking of satisfying present high performance network chip drives requirement, accelerates verifying speed, improves the checking quality.Having solved existing high performance network chip sets up the message stimulating module and needs the labor time, the defective that workload is huge in the Design and Features test process.
For the convenience of describing, be divided into various unit with function when describing above the device and describe respectively.Certainly, when implementing the application, can in same or a plurality of softwares and/or hardware, realize the function of each unit.
Description through above execution mode can be known; Those skilled in the art can be well understood to the application and can realize by the mode that software adds essential general hardware platform, or can realize by the mode that software adds essential common hardware emulation platform.Based on such understanding; The part that the application's technical scheme contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product can be stored in the storage medium, like ROM/RAM, magnetic disc, CD etc., comprises that some instructions are with so that a computer equipment (can be a personal computer; Server, the perhaps network equipment etc.) carry out the described method of some part of each execution mode of the application or execution mode.
Device embodiments described above only is schematic; Wherein said unit as the separating component explanation can or can not be physically to separate also; The parts that show as the unit can be or can not be physical locations also; Promptly can be positioned at a place, perhaps also can be distributed on a plurality of NEs.Can realize the purpose of this execution mode scheme according to the needs selection some or all of module wherein of reality.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.
The application can be used in numerous general or special purpose computingasystem environment or the configuration.For example: personal computer, server computer, handheld device or portable set, plate equipment, multicomputer system, the system based on microprocessor, set top box, programmable consumer-elcetronics devices, network PC, minicom, mainframe computer, comprise DCE of above any system or equipment or the like.
The application can describe in the general context of the computer executable instructions of being carried out by computer, for example program module.Usually, program module comprises the routine carrying out particular task or realize particular abstract, program, object, assembly, data structure or the like.Also can in DCE, put into practice the application, in these DCEs, by through communication network connected teleprocessing equipment execute the task.In DCE, program module can be arranged in this locality and the remote computer storage medium that comprises memory device.
Be to be understood that; Though this specification is described according to execution mode; But be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification only is for clarity sake, and those skilled in the art should make specification as a whole; Technical scheme in each execution mode also can form other execution modes that it will be appreciated by those skilled in the art that through appropriate combination.
The listed a series of detailed description of preceding text only is specifying to feasibility execution mode of the present invention; They are not in order to restriction protection scope of the present invention, allly do not break away from equivalent execution mode or the change that skill of the present invention spirit done and all should be included within protection scope of the present invention.
Claims (10)
1. the checking message forming method of a network chip is characterized in that, said method comprising the steps of:
S1, read configuration file, obtain configuration data;
S2, according to the flow control path, judge whether to produce the sequence of message data, if execution in step S3 if not, stops to produce the sequence of message data;
S3, produce and send the message sequence data according to said configuration data.
2. method according to claim 1 is characterized in that, said configuration file comprises:
The configuration file of dynamic-configuration is provided for the port designations configuration;
Select to provide the configuration file of dynamic-configuration for port;
The configuration file of the pattern configurations of giving out a contract for a project is provided;
The configuration file of message source configuration is provided;
Configuration file based on each port message generation strategy is provided.
3. method according to claim 2 is characterized in that, saidly provides the configuration file based on each port message generation strategy to comprise:
The configuration file of burst segment size when giving out a contract for a project is provided;
The configuration file of message format dynamic-configuration is provided;
The configuration file of the message amount that each port will send out is provided;
The configuration file of each port bandwidth is set;
The configuration file that produces wrong excitation is provided.
4. method according to claim 1 is characterized in that, said step S3 is specially:
Send the sequence of message data according to said configuration data generation and through data path.
5. method according to claim 4 is characterized in that, said data path comprises port designations, sequence of message data, start of message (SOM) indicating bit, ENMES indicating bit, error indication bit.
6. the checking message generation system of a network chip is characterized in that said system comprises:
Be used to read configuration file, obtain the unit of configuration data;
Be used for judging whether to produce the unit of sequence of message data according to the flow control path;
Be used for producing and sending the unit of message sequence data according to said configuration data.
7. system according to claim 6 is characterized in that, said configuration file comprises:
The configuration file of dynamic-configuration is provided for the port designations configuration;
Select to provide the configuration file of dynamic-configuration for port;
The configuration file of the pattern configurations of giving out a contract for a project is provided;
The configuration file of message source configuration is provided;
Configuration file based on each port message generation strategy is provided.
8. system according to claim 7 is characterized in that, said configuration file based on each port message generation strategy also comprises:
The configuration file of burst segment size when giving out a contract for a project is provided;
The configuration file of message format dynamic-configuration is provided;
The configuration file of the message amount that each port will send out is provided;
The configuration file of each port bandwidth is set;
The configuration file that produces wrong excitation is provided.
9. system according to claim 6 is characterized in that, said system also comprises:
Be used for producing and passing through the unit of data path transmission sequence of message data according to said configuration data.
10. system according to claim 9 is characterized in that, said data path comprises port designations, sequence of message data, start of message (SOM) indicating bit, ENMES indicating bit, error indication bit.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105574292A (en) * | 2016-01-29 | 2016-05-11 | 盛科网络（苏州）有限公司 | Method for achieving multi-channel any-bandwidth packet sending based on dynamic arrays |
| CN106940428A (en) * | 2016-01-04 | 2017-07-11 | 中兴通讯股份有限公司 | Chip verification method, apparatus and system |
| CN107566204A (en) * | 2016-06-30 | 2018-01-09 | 中兴通讯股份有限公司 | Excited message produces control method, device and logic detection equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1708016A (en) * | 2004-06-08 | 2005-12-14 | 华为技术有限公司 | Method and apparatus for generating excitation message and logic detecting equipment |
| CN101562544A (en) * | 2008-04-17 | 2009-10-21 | 浩通科技(深圳)有限公司 | Data packet generator and data packet generating method |
| US20100039954A1 (en) * | 2008-08-18 | 2010-02-18 | Abb Technology Ag | Analyzing communication configuration in a process control system |
| CN101841437A (en) * | 2010-03-23 | 2010-09-22 | 华为技术有限公司 | Method and device for testing equipment |
| CN101321132B (en) * | 2008-07-23 | 2011-04-20 | 中兴通讯股份有限公司 | Interface plate self-adapting method and apparatus for network processor |
-
2011
- 2011-12-15 CN CN2011104203035A patent/CN102523159A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1708016A (en) * | 2004-06-08 | 2005-12-14 | 华为技术有限公司 | Method and apparatus for generating excitation message and logic detecting equipment |
| CN101562544A (en) * | 2008-04-17 | 2009-10-21 | 浩通科技(深圳)有限公司 | Data packet generator and data packet generating method |
| CN101321132B (en) * | 2008-07-23 | 2011-04-20 | 中兴通讯股份有限公司 | Interface plate self-adapting method and apparatus for network processor |
| US20100039954A1 (en) * | 2008-08-18 | 2010-02-18 | Abb Technology Ag | Analyzing communication configuration in a process control system |
| CN101841437A (en) * | 2010-03-23 | 2010-09-22 | 华为技术有限公司 | Method and device for testing equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106940428A (en) * | 2016-01-04 | 2017-07-11 | 中兴通讯股份有限公司 | Chip verification method, apparatus and system |
| CN105574292A (en) * | 2016-01-29 | 2016-05-11 | 盛科网络（苏州）有限公司 | Method for achieving multi-channel any-bandwidth packet sending based on dynamic arrays |
| CN105574292B (en) * | 2016-01-29 | 2018-12-11 | 盛科网络（苏州）有限公司 | A method of realizing that any bandwidth of multichannel is given out a contract for a project based on dynamic array |
| CN107566204A (en) * | 2016-06-30 | 2018-01-09 | 中兴通讯股份有限公司 | Excited message produces control method, device and logic detection equipment |
| CN107566204B (en) * | 2016-06-30 | 2020-11-10 | 中兴通讯股份有限公司 | Excitation message generation control method and device and logic detection equipment |
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Application publication date: 20120627 |