CN107566204A - Excited message produces control method, device and logic detection equipment - Google Patents
Excited message produces control method, device and logic detection equipment Download PDFInfo
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Abstract
Producing control method, device and logic detection equipment, this method the embodiments of the invention provide a kind of excited message includes：The network traffics structure to be simulated obtained according to analysis obtains the message parameter of all each excited messages to be generated；Flow module is called to generate excited message stream according to the message parameter of each excited message.The embodiment of the present invention treats the structure of analog network flow by analysis, obtain the type of message of all excited messages to be generated, according to the type of message of each excited message, carry out the modeling of excited message, message model corresponding to generation, by flow module, according to the message model of each excited message, excited message stream corresponding to generation, in that context it may be convenient to generate the excited message of complexity.
Description
Technical field
The present invention relates to design of communication equipments field, more particularly to a kind of excited message to produce control method, device and patrol
Collect detection device.
Background technology
Logic checking is a committed step during digit chip Front-end Design, the actual fortune of verification platform analog chip
Row environment, and pass through the correctness of test case checking chip function.The key problem of analog chip running environment is to simulate
The excitation of chip is input in actual motion, for substantial amounts of network data class chip, various types of network messages are most main
The excitation wanted, how discharge model complicated on analog network, higher requirement is proposed to writing for verification platform.
At present, using verification methodology it is one of trend of chip checking, UVM (unified verification methodology) is allusion quotation therein
Type is represented, and the Organization Charts of UVM systems is tested as shown in figure 1, most important Multiplexing Unit is bus agent (Agent) in UVM frameworks
Witness person generates the bag (transaction) of transaction-level by writing the sequence (Sequence) in serial device (sequencer),
And interface pumping signal is converted to by driver (Driver) and acts on EBI, while monitor (Monitor) is collected
Bus signals, the bag of transaction-level is converted back, and send to scoring board (scoreboard) and carry out automation comparison.
But the generation encouraged in UVM is completed by sequence mechanism, sequence mechanism is a kind of general excitation life
Into method, the excited message species of generation is single, it is impossible to simulates the type of message in the communication scenes to become increasingly complex, and then leads
Cause test result inaccurate.
The content of the invention
The embodiments of the invention provide a kind of excited message to produce control method, device and logic detection equipment, to solve
The problem of excited message species of existing UVM methods generation is single.
On the one hand, there is provided a kind of excited message produces control method, including：
The message that the network traffics structure to be simulated obtained according to analysis obtains all each excited messages to be generated is joined
Number；
Flow module is called to generate excited message stream according to the message parameter of each excited message.
On the one hand, there is provided a kind of excited message produces control device, including：Analysis module and control module, wherein,
The network traffics structure to be simulated that analysis module is used to be obtained according to analysis obtains all each excitations to be generated
The message parameter of message；
Control module is used to call flow module to generate excited message stream according to the message parameter of each excited message.
On the other hand, there is provided a kind of logic detection equipment, it includes:At least one stream for being used to produce excited message stream
Measure module, interpretation of result device and excited message provided in an embodiment of the present invention and produce control device, excited message produces control
Device processed is used to call flow module to produce excited message stream, and is tested, and interpretation of result device is used to analyze test result.
On the other hand, there is provided a kind of computer-readable storage medium, be stored with computer in computer-readable storage medium and can perform
Instruction, computer executable instructions are used to perform foregoing excited message generation control method.
The beneficial effect of the embodiment of the present invention：
The embodiments of the invention provide a kind of excited message to produce control method and logic detection equipment, and this method is by dividing
The structure of analog network flow is treated in analysis, is obtained the type of message of all excited messages to be generated, is called at least one flow mould
Block, according to the type of message of each excited message, the modeling of excited message is carried out, message model corresponding to generation, passes through flow mould
Block, according to the message model of each excited message, excited message stream corresponding to generation, that is, propose the message laminar flow amount of standardization a kind of
Model modelling approach, and can be effective from the model, easily generates the excited message of complexity, and the effect possessed is included but not
It is limited to：1. support any bar, the discharge model of arbitrary levels；2. support a variety of scheduling modes of flow in port：Such as poll, band
The poll of priority, self-defined etc.；3. support to control the uninterrupted of every flow；The mould 4. support various flow rate message is given out a contract for a project
Formula：As continuously given out a contract for a project, fixed number is given out a contract for a project, and is regularly given out a contract for a project, self-defined etc.：5. supporting the Model of network traffic of main flow, such as it is grouped,
Time-sharing multiplex, fixed size packet etc.；So as to solve the deficiency of existing excited message generation method.
Brief description of the drawings
Fig. 1 is the configuration diagram of existing UVM systems；
Fig. 2 is the flow chart that the excited message that first embodiment of the invention provides produces control method；
Fig. 3 is the structural representation that the excited message that second embodiment of the invention provides produces control device；
Fig. 4 is message layer model schematic diagram disclosed in fourth embodiment of the invention；
Fig. 5 is flow module connection diagram disclosed in fourth embodiment of the invention；
Fig. 6 is the schematic flow sheet of message generation control method disclosed in fourth embodiment of the invention；
Fig. 7 is the schematic flow sheet of message forming method disclosed in fourth embodiment of the invention；
Fig. 8 is the schematic flow sheet of message flow detection method disclosed in fourth embodiment of the invention；
Fig. 9 is the schematic flow sheet of the disclosed application message method of fourth embodiment of the invention；
Figure 10 is the first schematic diagram that single port flow disclosed in fourth embodiment of the invention cascades；
Figure 11 is the second schematic diagram that single port flow disclosed in fourth embodiment of the invention cascades；
Figure 12 is the 3rd schematic diagram that single port flow disclosed in fourth embodiment of the invention cascades；
Figure 13 is the 4th schematic diagram that single port flow disclosed in fourth embodiment of the invention cascades.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment in the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Further annotation explanation is now made to the present invention by way of embodiment combination accompanying drawing.
First embodiment：
Fig. 2 is the flow chart that the excited message that first embodiment of the invention provides produces control method, as shown in Figure 2, this
The excited message that embodiment provides, which produces control method, to be included：
S201：The network traffics structure to be simulated obtained according to analysis obtains the report of all each excited messages to be generated
Literary parameter；
In actual applications, message parameter type of message, message field (MFLD), type of error, message group package mode and message solution
At least one of parameters such as packet mode.
S202：Flow module is called to generate excited message stream according to the message parameter of each excited message；
This step carries out the calling of flow module according to the complexity of network traffics structure to be simulated, and works as network traffics
Structure it is fairly simple when can only call a flow module, if when more complicated, it is necessary to dispatch multiple flow modules and enter
Row parallel connection and/or serial connection.
In actual applications, message model matches with the parameter species of message parameter.
In certain embodiments, the generation excited message stream in embodiment illustrated in fig. 2 in step S202 includes：
Selection needs the excited message stream generated；
Judge whether each message flow in excited message stream can give out a contract for a project；
If can give out a contract for a project, message flow corresponding to generation, the message flow of generation is combined as excited message stream.
In certain embodiments, judge whether message flow can give out a contract for a project in above-described embodiment, including：
Whether detection messages stream exceedes flow；In actual applications, if message flow is not above flow, judged result is
It cannot give out a contract for a project；
If message flow is not above flow, the pattern of giving out a contract for a project of detection messages stream, pattern of giving out a contract for a project is including that can give out a contract for a project and not
It can give out a contract for a project；In actual applications, if giving out a contract for a project pattern as that cannot give out a contract for a project, judged result is to give out a contract for a project；
If pattern of giving out a contract for a project can to give out a contract for a project, the ownership flow module of the message flow module of detection generation message flow whether be
The source flux module of not connected upstream flowrate module.Ownership flow module refers to father's flow module as defined below；Source flux
Module refers to the flow module for when flow module works, not connecting upstream flowrate module, and it also has clearly fixed below
Justice；Judge whether father's flow module is connected with upstream flowrate module, exactly in order to judge whether father's flow module is source flux mould
Block, source flux module refer to the flow module for not connecting upstream flowrate module；In actual applications, if ownership flow module does not have
There is connection upstream flowrate module, i.e. father's flow module is source flux module, then judged result is to give out a contract for a project.
Further, in certain embodiments, judge whether message flow can give out a contract for a project in above-described embodiment, in addition to：
In the case where ownership flow module is not the source flux module of not connected upstream flowrate module, detection messages stream mould
The cache size of block；
Judge whether caching meets requirement of giving out a contract for a project.In actual applications, give out a contract for a project certain to being cached with for message flow module
It is required that therefore, the requirement if caching satisfaction is given out a contract for a project, it can give out a contract for a project.
Further, in certain embodiments, the method in above-described embodiment is judging whether caching meets requirement of giving out a contract for a project
Afterwards, in addition to：
In the case where caching is unsatisfactory for giving out a contract for a project requirement, message application is sent；
After applying successfully, cache size is detected again, judges whether caching meets requirement of giving out a contract for a project.
By applying sending message, flow module can be that it distributes cache resources, now need whether to judge caching from new
Meet requirement of giving out a contract for a project.
In certain embodiments, the step S202 in embodiment illustrated in fig. 2 includes：
Called flow module is controlled to generate the message mould of each excited message according to the message parameter of each excited message
Type；
Message model with parametric form, is registered to message flow module, generates message flow by the called flow module of control
Model；
According to network traffics structure to be simulated, the priority, pattern of giving out a contract for a project and uninterrupted of each message flow module are configured；
When needing to generate excited message stream, ownership flow module and the company of each message flow module are selected according to configuration result
Connect；
The ownership flow module of each message flow module is controlled, generates message flow model and corresponding message flow, and will generation
Message flow be combined as excited message stream after export.
Second embodiment：
Fig. 3 is the structural representation that the excited message that second embodiment of the invention provides produces control device, can by Fig. 3
Know, the excited message that the present embodiment provides, which produces control device, to be included：Analysis module 31 and control module 32, wherein,
The network traffics structure to be simulated that analysis module 31 is used to be obtained according to analysis, which obtains, all to be generated each to swash
Encourage the message parameter of message；
Control module 32 is used to call flow module to generate excited message stream according to the message parameter of each excited message.
In certain embodiments, the control module 32 in above-described embodiment is used to select to need the excited message stream generated,
Judge whether each message flow in excited message stream can give out a contract for a project, if can give out a contract for a project, message flow corresponding to generation, by generation
Message flow is combined as excited message stream.
In certain embodiments, whether the control module 32 in above-described embodiment exceedes flow for detection messages stream, if
Message flow is not above flow, then the pattern of giving out a contract for a project of detection messages stream, if giving out a contract for a project pattern as that can give out a contract for a project, detection generation message
Whether the ownership flow module of the message flow module of stream is the source flux module for being not connected with upstream flowrate module.
In certain embodiments, it is not not connected that the control module 32 in above-described embodiment, which is used in ownership flow module,
In the case of the source flux module for swimming flow module, the cache size of detection messages flow module judges whether caching meets to give out a contract for a project
It is required that.
In certain embodiments, the control module 32 in above-described embodiment is used to being unsatisfactory for giving out a contract for a project in caching the situation of requirement
Under, message application is sent, after applying successfully, detects cache size again, judges whether caching meets requirement of giving out a contract for a project.
In certain embodiments, the control module 32 in above-described embodiment is used to control called flow module according to each
The message parameter of excited message, generate the message model of each excited message；The called flow module of control by message model with
Parametric form, message flow module is registered to, generates message flow model；According to network traffics structure to be simulated, each message is configured
The priority of flow module, pattern of giving out a contract for a project and uninterrupted, when needing to generate excited message stream, each report is selected according to configuration result
The ownership flow module of literary flow module simultaneously connects；Control the ownership flow module of each message flow module, generation message flow model with
Corresponding message flow, and exported after the message flow of generation is combined as into excited message stream.
In actual applications, all functional modules in embodiment illustrated in fig. 3, such as analysis module 31 and control module 32
The modes such as processor, editorial logic device can be used to realize.
3rd embodiment：
A kind of logic detection equipment is present embodiments provided, it includes:At least one stream for being used to produce excited message stream
Module is measured, excited message provided in an embodiment of the present invention produces control device, interpretation of result device, and excited message produces control dress
Put for calling flow module to produce excited message stream, and tested, interpretation of result device is used to analyze test result.
In certain embodiments, the flow module in above-described embodiment is included for connection and entrance message between flow module
The Ingress Scheduler of scheduling；For the outlet scheduler of dispatching message to be connected and exported between flow module；For with physical layer interface
Device of giving out a contract for a project establish mapping relations, and provide the message port of related interface of giving out a contract for a project；It is and at least one for according to message mould
Type generates the message flow module of message flow；And at least one message module for being used to generate message model.
In certain embodiments, the flow module in above-described embodiment also includes sub- flow module and/or sub- message flow mould
Block.
In certain embodiments, the message flow module in above-described embodiment include flow controller, traffic generator and on
Swim packet buffer queue.
In certain embodiments, the excited message in above-described embodiment produces control device and is used for by parallel and/or level
The mode of connection, multiple flow modules are called, produce excited message stream.
Fourth embodiment：
Further annotation explanation is done to the present invention in conjunction with concrete application scene.
The present embodiment proposes a kind of message laminar flow amount model modeling side of standardization on the basis of the checking framework of stratification
Method, and can be effective from the model, the excited message of complexity is easily generated, the characteristic of excited message includes but is not limited to：
1. support any bar, the discharge model of arbitrary levels；
2. support a variety of scheduling modes of flow in port：Such as poll, the poll with priority, self-defined etc.；
3. support to control the uninterrupted of every flow；
The pattern 4. support various flow rate message is given out a contract for a project：As continuously given out a contract for a project, fixed number is given out a contract for a project, and is regularly given out a contract for a project, self-defined etc.；
5. supporting the Model of network traffic of main flow, such as it is grouped, time-sharing multiplex, fixed size packet etc.；
So as to solve the deficiency of existing excited message generation method.
Predictably, the excited message generation method based on the present embodiment model be not rely on existing UVM or
The checking framework of stratification, this method can be widely suitable in a variety of verification methodologies and checking framework.
A kind of message flow model component framework is present embodiments provided, as shown in figure 4, the basic module bag of the model
Include：
Message (packet_item)：It is the modeling to network message, encapsulates the association attributes of message, such as type of message,
Message field (MFLD), type of error etc., and method of the message group package with unpacking；
Message flow (packet_flow)：It is the least unit for forming discharge model, is to forming wherein the one of discharge model
The modeling of bar message flow, the excited message being responsible for required for generation.Message flow is unrelated with specific type of message, message
(packet_item) registered as parameter into message flow.Method needed for message flow encapsulation generation message, including flow controller
With two main functional modules of traffic generator, and a upstream packet buffer queue (non-source flow module).
Flow module (packet_module)：It is the basic multiplexing unit of message flow model, flow module is to a certain
The modeling of kind discharge model, is the polymerization of one group of message flow, and flow module can also include sub- flow module, therefore, flow
Module is the combination of message flow and sub- flow module.
A kind of structure of flow module is present embodiments provided, as shown in Figure 5.
Ingress Scheduler (import_scheduler)：For intermodule connection and entrance message scheduling, Ingress Scheduler
The outlet scheduler of up-stream module can be connected；
Export scheduler (export_scheduler)：Dispatching message is connected and exported for intermodule, exports scheduler
The outlet scheduler of father's flow module, which can be connected, can also connect the Ingress Scheduler of downstream module；
Message port (packet_port)：The device of giving out a contract for a project of message port and physical layer interface establishes mapping relations, and provides phase
Pass is given out a contract for a project interface.Physical layer interface, to discharge model application message, and is obtained discharge model and returned by the method that message port provides
The message returned.
It can also include：
Sub- flow module (sub_packet_block)：Flow module can include flow module, in this case, quilt
Comprising flow module be referred to as the sub- flow module of the flow module, the flow module be referred to as by comprising the father of flow module flow
Measure module.
Sub- message flow (sub_packet_flow)：Flow module can include message flow, in this case, by comprising
Message flow be referred to as the sub- message flow of the flow module, the flow module be referred to as by comprising message flow father's flow module.Report
Literary stream is the least unit of flow combination, it is impossible to continues to include sub- message flow.
By the various connections and combination of flow module, the Model of network traffic of the stratification of complexity can be constructed, such as
Shown in Fig. 5：
The combination of flow：Refer to the mode for including sub- flow module in flow module.Flow module included in combination and
It is independent parallel relation between message flow.In combination, the outlet scheduling and the outlet of father's flow module of sub- flow module are adjusted
Degree is connected, and the entrance scheduling of sub- flow module is connected with the entrance scheduling of father's flow module.
The cascade of flow：Refer to the mode interconnected outside flow module.Flow module in cascade connection, in reality
It is a kind of upstream and downstream hierarchical relationship in networking, it is however generally that be the form envelopes such as the combination of message process or the segmentation of certain network traffics
After the message for dressing up new type, run in another types of network traffic.Two flow modules for being in cascade connection, can be with
Up-stream module and downstream module are referred to as according to relative position relation.One flow module can be with any amount up-stream module phase
Even, can also be connected with any amount downstream module.The entrance scheduling of downstream module is connected with the outlet scheduling of up-stream module builds
Vertical link.
The combination cascade of flow between different levels can be with extremely complex, and multi-level multiple flow module combination stages are associated in
Together, a kind of network topology structure of similar tree is constituted.Present embodiments provide in discharge model topological structure, part is special
The characterizing definition of flow module, as shown in Figure 5：
Top layer flow module (top_block)：For combination, it is referred to as without the flow module of father's flow module
Top layer flow module；
Source flux module (source_block):For cascade, the flow module of no upstream flowrate module is claimed
For source flux module；The message of source flux module does not have upstream, produces message by itself, it is not necessary to example Ingress Scheduler.
Root flow module (root_block)：It is referred to as root flow mould for the top layer flow module of no downstream flow module
Block；Corresponding to the downstream reality of root flow module it is the physical port of bottom, therefore exampleization one is needed in root flow module
Message port (packet_port), non-root flow module do not need example.
After the topological structure of complete design discharge model, by the mutual calling of component interface, flow mould can be completed
The generation of type and the generation of message, each component interface defined herein, the simplification for being for convenience and carrying out are abstract fixed
Justice, the main interface in part is only described, does not represent practical programs code, nor the complete description to practical programs code.
A kind of definition of flow module (packet_module) interface is present embodiments provided, it is as shown in table 1 below：
Table 1
Wherein, add_sub_block ()：Increase sub- flow module, the sub- flow module included in module needs to pass through this
Interface is registered, and completes internal establishment of connection.
add_sub_flow()：Increase sub- message flow, the sub- message flow included in module needs to be noted by this interface
Volume, complete internal establishment of connection.
connect()：Up-stream module is connected, cascade connection is established with upstream flowrate module, this Module registers is entered into upstream
The outlet scheduler of module, and complete the foundation of peer link.
A kind of definition of message flow (packet_flow) interface is present embodiments provided, it is as shown in table 2 below：
Table 2
Wherein, send_request ()：Message application is submitted to Ingress Scheduler, the interface, which can return, to be applied successfully or lose
The state lost.The interface also provides specified up-stream module and specified message flow parameter is selective.
gen_packet()：Message generates, and interface acquiescence one message registered into the message flow of generation, provides simultaneously
Fixed number, the message generation mode such as regularly give out a contract for a project also provide corresponding Hook Function and supply user's self-defining party awarding the contract for configuration
Method.
tm_is_ok()：Flow regulation state is checked, user needs to configure the uninterrupted of this stream, flow controller meeting
Uninterrupted according to configuration calculates current message mandate surplus, and being returned in the case of beyond mandate needs to flow control, not
In the case of configuration, acquiescence returns all the time need not flow control.
check_queue_size()：Check whether buffer queue has enough message for processing, only when buffer queue not
When sufficient, message application is upstream initiated.
A kind of outlet scheduling (export_scheduler) interface definition is present embodiments provided, it is as shown in table 3 below：
Table 3
Wherein, choose_next_flow ()：Next message flow to be processed is selected, the interface is used in definition module
Portion's message flow dispatching algorithm, gives tacit consent to and supports the configuration of the dispatching algorithm such as poll, priority poll, also provides Hook Function and supplies user certainly
Define dispatching algorithm.The interface can returned packet state, for example, when user configuration dispatching algorithm is polling algorithm, and all sons
The message generation interface of message flow is all because stream control returns to status of fail, then the interface can return to status of fail.The interface also carries
For specifying message flow parameter to supply into user can specify message to generate message flow, and in the case, the interface, which returns, specifies report
The message generation state of text stream.In the case of submodule is included in combination, the interface of interface meeting recursive call submodule, directly
Untill message flow is found.
try_next_packet()：Message is obtained from message flow, the interface selects according to choose_next_flow ()
Message flow, the interface of message flow is called to obtain message, and returned packet generation state.
choose_return_block()：Which downstream module message is returned to by selection, and this interface defines returned packet
Flow module allocation algorithm, in default situations, what the interface returned is the module for applying for message, in some cases, raw
Into message need according to the algorithm of configuration to be assigned to downstream module, then return is then other downstream modules, and the interface carries
User Defined allocation algorithm is supplied for Hook Function.
send_packet()：The downstream module returned according to choose_return_block (), calls downstream module
Choose_return_flow () interface in entrance scheduling obtains the message flow for needing to return, and message is stored in into corresponding message flow
Caching in, if not directly return apply the message message flow, then the message application can not be completed, then may proceed to
Choose_next_flow () interface and get_next_packet () is called to obtain message, value is to the application for meeting the message
Only, the request is deleted after the completion of.
A kind of entrance scheduling (import_scheduler) interface definition is present embodiments provided, it is as shown in table 4 below：
Table 4
Wherein, choose_next_block ()：Next flow module to be processed is selected, the interface realizes that message please
The Algorithm for module selection asked, after message flow sends message request send_request (), entrance scheduling meeting is according to the choosing of configuration
Algorithm is selected, selects the message request which flow module be sent to, acquiescence uses polling algorithm, also provides Hook Function and supplies user certainly
Define allocation algorithm.
choose_return_flow()：Which message flow message is returned to by selection, and the interface realizes returned packet
Message flow allocation algorithm, the message returned for up-stream module, the message flow for determining to return according to selection algorithm, acquiescence is using wheel
Algorithm is ask, Hook Function is also provided and supplies User Defined allocation algorithm., can recursive call submodule in the case of comprising submodule
The corresponding interface of block, untill finding message flow.
A kind of message port (packet_port) interface definition is present embodiments provided, it is as shown in table 5 below：
Table 5
Wherein, try_next_packet ()：Message is obtained, interface meeting returned packet generation state, does not generate message
Situation can return to failure.
set_sequencer()：The connection of bottom port is set, bottom physical port is obtained and gives out a contract for a project the handle of device.
It is corresponding, present embodiments provide one and assemble and put interface and Hook Function for user's modification, can be in discharge model
On the basis of flexibly generate various test excited messages.
Message flow enables interface：Open or close certain message flow；
Message flow priority configures interface：The priority of configuration message stream, the message flow priority of acquiescence are identical；
Message flow flow configures interface：Configuration message uninterrupted；
Message flow is given out a contract for a project pattern configurations interface：Model selection of giving out a contract for a project is configured, is selected in the pattern of giving out a contract for a project that acquiescence provides；
Message flow is given out a contract for a project pattern Hook Function：Give out a contract for a project pattern for User Defined；
Message flow Message processing Hook Function：The message of generation is pre-processed and post-processed for user；
Flow module enables interface：Open or close some flow module；
Flow module priority configures interface：The priority of flow module is configured, the flow module priority of acquiescence is identical；
The Algorithm for module selection configuration interface of entrance scheduling；
The Algorithm for module selection Hook Function of entrance scheduling；
The message flow allocation algorithm configuration interface of entrance scheduling；
The message flow allocation algorithm Hook Function of entrance scheduling；
The message flow dispatching algorithm configuration interface of outlet scheduling；
Export the message flow dispatching algorithm Hook Function of scheduling；
The flow module allocation algorithm configuration interface of outlet scheduling；
Export the flow module allocation algorithm Hook Function of scheduling；
The generation that can complete discharge model and message is called to generate by component interface, specifically, as shown in fig. 6, originally
Embodiment, which provides a kind of discharge model generation method, to be included：
S601：Analyze network traffics structure：The network traffics structure for treating simulation is analyzed, and flow structure is closed
The division of reason, it is split into the flow module of suitable size；
S602：Write message：The type of message of all operations in network traffics is analyzed, message is modeled；
S603：Write message flow：Message is registered into message flow with parametric form；
S604：Configuration message stream：The priority of configuration message stream, pattern of giving out a contract for a project and uninterrupted, if necessary to acquiescence branch
Pattern outside the pattern of giving out a contract for a project held, the Hook Function provided gen_packet () interface of message flow are write；
S605：Write flow module：Call add_sub_block () interface that sub- flow module is added into flow module；Adjust
Sub- message flow is added into flow module with add_sub_flow () interface；
S606：Configure flow algorithms：Configure the priority of flow module, configuration Ingress Scheduler and the stream for exporting scheduler
Quantity algorithm, the dispatching algorithm outside being supported if necessary to acquiescence, writes choose_next_flow (), choose_ as needed
The interface related hook letters of return_block (), choose_next_block (), choose_return_flow () four
Number；
S607：Combine message flow：Call add_sub_block () interface that sub- flow module is added into flow module；
S608：Connect message flow：Since root flow module, connect () interface connection up-stream module is called, value arrives
Source flux module；
S609：Connect root flow module and bottom port：Call the hair of set_sequencer () interface connection bottom port
Bag device.
The applicant of message has two kinds, and one kind is bottom physical port, and one kind is downstream module, as shown in fig. 7, this implementation
The flow module generation message method that example provides includes：
S701：S702 is jumped in bottom port to flow module application message；
S702：Application message is dispatched to outlet in the message port of root flow module；Jump to S703；
Or downstream module outlet scheduling application message, jumps to S703 to discharge model application message；
S703：Outlet scheduling selects a sub- message flow in flow module according to dispatching algorithm, jumps to S704；
S704：Message flow check process is carried out, is confirmed whether to give out a contract for a project, if can give out a contract for a project, jumps to S705, if
The message flow can not give out a contract for a project, then jump to S704 and select a sub- message flow again, if message can not be generated always, according to tune
Algorithm is spent, after selection to a certain extent, jumps to S707；
S705：For the message flow that can give out a contract for a project, its interface generation message of giving out a contract for a project is called, jumps to S706；
S706：Return to the message of generation；
S707：Return to status of fail；
As shown in figure 8, present embodiments providing a kind of message flow inspection method, check whether it can give out a contract for a project, including
S801：Outlet scheduling checks whether message flow can give out a contract for a project, and jumps to S802；
S802：The flow controller of the message flow is checked, can then jump to S803, S808 is then jumped to more than flow；
S803：The pattern of giving out a contract for a project of the message flow is checked, can give out a contract for a project, jump to S804, it is not possible to then jump to S808；
S804：Whether the father's flow module for judging the message flow is source flux module, is to jump to S807, otherwise jumps to
S805；
S805：Cache size is checked, satisfaction, which is given out a contract for a project, to be required then to jump to S807, otherwise jumps to S806；
S806：Dispatched to entrance and send message application, applied successfully, then returned to S805 and check caching, application failure is then jumped
To S808；
S807：Return to success status；
S808：Return to status of fail；
As shown in figure 9, present embodiments providing a kind of method of message flow upstream flow module application message, it is wrapped
Include：
S901：Message flows to entrance scheduling and sends message application, jumps to S902；
S902：Which upstream flowrate module message application is sent to by entrance scheduling selection, jumps to S903；
S903：In the upstream flowrate module of selection generate the flow of message, if generated successfully, jump to S904, it is no
Then jump to S909；
S904：Which downstream module the message of generation is returned to by the outlet scheduling selection of upstream flowrate module, jumps to S905；
S905：Which message flow message is returned to by selection in the entrance scheduling for the flow module that selection returns, and is jumped to
S906；
S906：The message of return is deposited into the caching of message flow, jump to S907；
S907：Check whether message application is done, both whether incorporated message in the caching of applicant, and if it is jumped
To S908, S902 is otherwise jumped to, again application process, untill application is done；
S908：Return to success status；
S909：Return to status of fail；
Below in conjunction with the accompanying drawings the preferred embodiments of the present invention completely clearly illustrate, it is described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
In the following description, many specific details, such as certain types of network name are elaborated, communication protocol, are tested
Card device, design to be measured, UVM component Names, compare plate (scoreboard), reference model etc., so as to present disclosure
Thorough understanding, but will be apparent to the person skilled in the art, it is not necessary to using these specific details come
Realize the present invention.Method described below, device, flow are mainly used in providing test and excitation message for network service chip.Tool
For body, principal focal point is analog network discharge model, such as Ethernet, synchronous digital network etc..It is but described herein
Method, device, flow, it should not be necessarily so limited.Discharge model component described in the invention and construction method, it can simulate
The excitation generation of any class message, including the communication protocol that device interior uses, bottom physical interface agreement etc..Can also be at it
Implement in the integrated circuit verification of its type.
A kind of embodiment of single port flow combination.
It is a kind of common Model of network traffic that a variety of different flows, which are combined, with reference to figure 10, the verification platform by
Ethernet traffic model generates Ethernet excited message, then is sent to design to be measured by ether interface Agent components.
The discharge model mainly completes the generation of Ethernet excited message, and discharge model is by four groups of identical ethernet traffics
Combine.Every group of flow has four message flows, generates four type excited messages respectively.
Four type messages are modeled respectively first；
Ether flow module is write again, four message flows of exampleization are distinguished in flow module, registers respective message, and will
Message flow adds flow module；Configure the flow of every message flow and mode of giving out a contract for a project；The dispatching algorithm that configuration outlet scheduling uses；
Because the flow module does not have father's flow module, nor top-level module, so without example Ingress Scheduler and message port；
Then top layer flow module is write, by ethernet traffic module exampleization four times in the module, and is added into top
Layer flow module；The dispatching algorithm that configuration outlet scheduling uses；Exampleization message port；
Establish and connect finally for message port and bottom ethernet interface proxy.
Bottom ethernet interface proxy is by calling the message port of top layer flow module to obtain message；Call message port
Export agent, the recursive message flow searched in submodule, and call message stream interface generation message and return to Ethernet and connect
Mouth agency.Interface proxy is converted into physical interface signal and is sent to design to be measured, if what is returned is status of fail, interface
After agency then sends idle physical signalling to design to be measured, application again obtains message.
User by the configuration interface and Hook Function of configuration provides, can change the flow of certain stream, number of giving out a contract for a project, close
Certain stream is closed or opened, changes dispatching algorithm, the message in original message flow can also be replaced with new message, can also be direct
Change discharge model, the various flow use-cases of flexible construction.
A kind of embodiment of single port flow cascade.
With reference to figure 11, a kind of channelizing STM-1 message flow models are simulated.A STM-1 message flow in the model
It has been multiplexed 63 E1 flows.
Flow module is established firstly, for STM-1 message flows, STM-1 flow modules only include a STM-1 message
Stream.
E1 flow modules are write again, and 63 E1 message flows are contained by the way of combination in an EI flow module,
The outlet dispatching algorithm for configuring E1 flow modules is poll；
Finally, STM-1 flow modules are connected into upper E1 flow modules, forms discharge model.
Figure 12 provides another embodiment of channelizing STM-1 message flow models, and each E1 flow modules only include
One E1 message flow, STM-1 flow modules are connected with 63 E1 flow modules simultaneously.Configure the mould of STM-1 entrance scheduling
Block selection algorithm is poll.
The embodiment of two kinds of discharge models, the excited message effect ultimately generated is consistent.
With reference to figure 13, there is provided a kind of ppp message flows are carried on the model of above-mentioned E1 message flows.E1 provides passage and tied up
Determine function, both a PPP message flow can be by load balancing into a plurality of E1 message flows.
First, the flow module of PPP messages is write, each module includes a message flow；
Again, write PPP2E1 flow modules, this module is connected with PPP flow modules, is responsible for PPP messages being encapsulated as
E1；
Finally, by above-mentioned STM-1 discharge models, the binding strategy set with PPP2E1 flow modules according to user is connected
Connect；
The model framework and component provided using the present embodiment, message forming method, compared with prior art, to greatest extent
The dependence reduced between message component, realize it is preferably abstract to discharge model, by flow module and message flow it
Between combination, it is possible to achieve any type of message flow..Simultaneously based on a kind of method generated the architecture provides model with
And message product process, being capable of the required excited message of convenient flexible generation；Model structure is unified simultaneously, has been flow mould
The multiplexing of type provides preferable basis.
In summary, by the implementation of the embodiment of the present invention, following beneficial effect at least be present：
The embodiments of the invention provide a kind of excited message to produce control method and logic detection equipment, and this method is by dividing
The structure of analog network flow is treated in analysis, is obtained the type of message of all excited messages to be generated, is called at least one flow mould
Block, according to the type of message of each excited message, the modeling of excited message is carried out, message model corresponding to generation, passes through flow mould
Block, according to the message model of each excited message, excited message stream corresponding to generation, that is, propose the message laminar flow amount of standardization a kind of
Model modelling approach, and can be effective from the model, easily generates the excited message of complexity, and the effect possessed is included but not
It is limited to：1. support any bar, the discharge model of arbitrary levels；2. support a variety of scheduling modes of flow in port：Such as poll, band
The poll of priority, self-defined etc.；3. support to control the uninterrupted of every flow；The mould 4. support various flow rate message is given out a contract for a project
Formula：As continuously given out a contract for a project, fixed number is given out a contract for a project, and is regularly given out a contract for a project, self-defined etc.：5. supporting the Model of network traffic of main flow, such as it is grouped,
Time-sharing multiplex, fixed size packet etc.；So as to solve the deficiency of existing excited message generation method.
It should be understood by those skilled in the art that, embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the shape of the embodiment in terms of the present invention can use hardware embodiment, software implementation or combination software and hardware
Formula.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more to use storage
The form for the computer program product that medium is implemented on (including but is not limited to magnetic disk storage and optical memory etc.).
The present invention is the flow with reference to method according to embodiments of the present invention, equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processors of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
It the above is only the embodiment of the present invention, any formal limitation not done to the present invention, it is every
Any simple modification, equivalent variations, combination or the modification that technical spirit according to the present invention is made to embodiment of above, still
Belong to the protection domain of technical solution of the present invention.
Claims (17)
1. a kind of excited message produces control method, including：
The network traffics structure to be simulated obtained according to analysis obtains the message parameter of all each excited messages to be generated；
Flow module is called to generate excited message stream according to the message parameter of each excited message.
2. excited message as claimed in claim 1 produces control method, it is characterised in that the generation excited message stream bag
Include：
Selection needs the excited message stream generated；
Judge whether each message flow in excited message stream can give out a contract for a project；
If can give out a contract for a project, message flow corresponding to generation, the message flow of generation is combined as excited message stream.
3. excited message as claimed in claim 2 produces control method, it is characterised in that described to judge whether message flow be with
Give out a contract for a project, including：
Whether detection messages stream exceedes flow；
If message flow is not above flow, the pattern of giving out a contract for a project of detection messages stream, the pattern of giving out a contract for a project is including that can give out a contract for a project and not
It can give out a contract for a project；
If pattern of giving out a contract for a project is can give out a contract for a project, whether the ownership flow module of the message flow module of detection generation message flow is not connect
Connect the source flux module of trip flow module.
4. excited message as claimed in claim 3 produces control method, it is characterised in that described to judge whether message flow be with
Give out a contract for a project, in addition to：
In the case where the ownership flow module is not the source flux module of not connected upstream flowrate module, the message is detected
The cache size of flow module；
Judge whether the caching meets requirement of giving out a contract for a project.
5. excited message as claimed in claim 4 produces control method, it is characterised in that judges whether caching meets described
Give out a contract for a project after requirement, the excited message, which produces control method, also to be included：
In the case where the caching is unsatisfactory for giving out a contract for a project requirement, message application is sent；
After applying successfully, cache size is detected again, judges whether caching meets requirement of giving out a contract for a project.
6. the excited message as described in any one of claim 1 to 5 produces control method, it is characterised in that the calling flow
Module generates excited message stream according to the message parameter of each excited message to be included：
Called flow module is controlled to generate the message mould of each excited message according to the message parameter of each excited message
Type；
Message model with parametric form, is registered to message flow module, generates message flow model by the called flow module of control；
According to the network traffics structure to be simulated, the priority, pattern of giving out a contract for a project and uninterrupted of each message flow module are configured；
When needing to generate excited message stream, the ownership flow module of each message flow module is selected according to configuration result and connected；
Control the ownership flow module of each message flow module, generate message flow model and corresponding message flow, and by the report of generation
Literary stream exports after being combined as the excited message stream.
7. a kind of excited message produces control device, including：Analysis module and control module, wherein,
The network traffics structure to be simulated that the analysis module is used to be obtained according to analysis obtains all each excitations to be generated
The message parameter of message；
The control module is used to call flow module to generate excited message stream according to the message parameter of each excited message.
8. excited message as claimed in claim 7 produces control device, it is characterised in that the control module is used to select to need
The excited message stream to be generated, judges whether each message flow in excited message stream can give out a contract for a project, if can give out a contract for a project, generation pair
The message flow answered, the message flow of generation is combined as excited message stream.
9. excited message as claimed in claim 8 produces control device, it is characterised in that the control module, which is used to detect, to be reported
Whether text stream exceedes flow, if message flow is not above flow, the pattern of giving out a contract for a project of detection messages stream, if pattern of giving out a contract for a project is can be with
Give out a contract for a project, then whether the ownership flow module of the message flow module of detection generation message flow is the source stream for being not connected with upstream flowrate module
Measure module.
10. excited message as claimed in claim 9 produces control device, it is characterised in that the control module is used in institute
In the case of stating the source flux module that ownership flow module is not not connected upstream flowrate module, the message flow module is detected
Cache size, judges whether the caching meets requirement of giving out a contract for a project.
11. excited message as claimed in claim 9 produces control device, it is characterised in that the control module is used in institute
State caching to be unsatisfactory for giving out a contract for a project in the case of requirement, send message application, after apply successfully, detect cache size again, judgement
Whether caching meets requirement of giving out a contract for a project.
12. the excited message as described in any one of claim 7 to 11 produces control device, it is characterised in that the control mould
Block is used to control called flow module to generate the message mould of each excited message according to the message parameter of each excited message
Type；Message model with parametric form, is registered to message flow module, generates message flow model by the called flow module of control；
According to the network traffics structure to be simulated, the priority, pattern of giving out a contract for a project and uninterrupted of each message flow module are configured, is being needed
When generating excited message stream, the ownership flow module of each message flow module is selected according to configuration result and connected；Control each report
The ownership flow module of literary flow module, message flow model and corresponding message flow are generated, and the message flow of generation is combined as institute
Exported after stating excited message stream.
A kind of 13. logic detection equipment, it is characterised in that including:It is at least one be used for produce excited message stream flow module,
Interpretation of result device and the excited message as described in any one of claim 7 to 12 produce control device, the excited message production
Raw control device is used to call the flow module to produce excited message stream, and is tested, and the interpretation of result device is used for
Analyze test result.
14. logic detection equipment as claimed in claim 13, it is characterised in that the flow module includes being used for flow module
Between connection and entrance message scheduling Ingress Scheduler；Adjust outlet for being connected between the flow module and export dispatching message
Spend device；Mapping relations are established for the device of giving out a contract for a project with physical layer interface, and the message port of related interface of giving out a contract for a project is provided；And at least
One message flow module for being used to generate message flow according to message model；And at least one message for being used to generate message model
Module.
15. logic detection equipment as claimed in claim 14, it is characterised in that the flow module also includes sub- flow module
And/or sub- message flow module.
16. logic detection equipment as claimed in claim 14, it is characterised in that the message flow module controls including flow
Device, traffic generator and upstream packet buffer queue.
17. the logic detection equipment as described in any one of claim 13 to 16, it is characterised in that the excited message produces control
Device processed is used for by way of parallel and/or cascade, calls multiple flow modules, produces the excited message stream.
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| CN201610516589.XA CN107566204B (en) | 2016-06-30 | 2016-06-30 | Excitation message generation control method and device and logic detection equipment |
| PCT/CN2017/086367 WO2018001025A1 (en) | 2016-06-30 | 2017-05-27 | Excitation-message generation and control method, apparatus, and logic detection device and storage medium |
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| CN201610516589.XA CN107566204B (en) | 2016-06-30 | 2016-06-30 | Excitation message generation control method and device and logic detection equipment |
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| CN112839057A (en) * | 2021-02-09 | 2021-05-25 | 芯河半导体科技(无锡)有限公司 | Flexible and extensible Ethernet message excitation generator |
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| CN114679411A (en) * | 2022-03-24 | 2022-06-28 | 芯河半导体科技(无锡)有限公司 | Method for implementing rate-controllable Ethernet message packet sender |
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