CN107835108A - Mac-layer protocol stack verification platform based on OpenWrt - Google Patents
Mac-layer protocol stack verification platform based on OpenWrt Download PDFInfo
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- CN107835108A CN107835108A CN201711143572.5A CN201711143572A CN107835108A CN 107835108 A CN107835108 A CN 107835108A CN 201711143572 A CN201711143572 A CN 201711143572A CN 107835108 A CN107835108 A CN 107835108A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/18—Protocol analysers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/02—Data link layer protocols
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Test And Diagnosis Of Digital Computers (AREA)
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Abstract
The invention discloses a kind of mac-layer protocol stack verification platform based on OpenWrt, mainly solves the problems, such as that existing MAC protocol stack checking needs to design integrity authentication platform.It includes mainboard, MAC protocol stack hardware module and control unit；High-performance processor is carried on mainboard, it is reserved with many general EBI, and passes through general purpose interface bus and MAC protocol stack hardware module UNICOM；MAC protocol stack hardware module is made up of MAC protocol chip stack and peripheral circuit；Control unit includes operating system module, and drive module and MAC protocol stack, operating system are managed to software and hardware, and drive module driving MAC protocol chip stack normal work, MAC protocol stack realizes that media intervene control function.The present invention reduces the workload of hardware circuit design, reduces the probability that verification platform has failure, accelerates the test and checking of protocol stack, available for the checking of WIFI chip mac-layer protocols stack and test.
Description
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of mac-layer protocol stack verification platform, available for pair
WIFI chip mac-layer protocols stack is verified and test.
Background technology
With the fast development of science and technology, the maturation of wireless communication technology, its typical case branch WIFI also relies on certainly
The advantage of body is used widely, and develops into a kind of hot technology, and either business or family have all been carried out on a large scale
WIFI is covered, the indispensable part into daily life.Another branch's technology of Internet of things of wireless communication technology
As Hot spots for development in recent years, increasing Internet of Things smart machine accesses network by wireless communication technology, among these
Smart home product has obtained everybody pay close attention to.Intelligent home device is connected into smart home service by WiFi technology
Device, home intelligent is managed collectively by smart home server, makes daily life more convenient.Wireless communication technology adds
Speed life staying idle at home digitlization, wireless penetration and intelligentized development.
WiFi technology from June, 1997 IEEE802.11 standards formally implement since more generations have been developed, technology obtains
Quick innovation.Speed also from 802.11 1 or 2 mbps to 802.11b 11Mbps, 802.11a's (g)
54Mbps, 802.11n 450Mbps and current mainstream standard 802.11ac 1300Mbps and applied to telecommunication
802.11ah.The innovation of each physical layer communication technology is required for medium access control layer protocol to carry out technology upgrading to meet
The requirement of its physical layer rate.
Applied to different business mac-layer protocol because demand is different and different, such as voice class, in order to ensure that real-time is then wanted
Ask the business that there is high priority in MAC protocol stack, background classes data transfer is relatively low to requirement of real-time, bust this
After can be retransmitted, large effect will not be caused to Consumer's Experience, therefore priority can be with MAC protocol stack for the business
It is relatively low.Different service priority needs to be determined by emulation, checking and test, and emulation can pass through corresponding software
Carry out, checking and test then need to carry out on corresponding hardware and software platform.The mac-layer protocol stack of different scientific ＆ technical corporation's research and development is not
Only need the standard strictly according to correlation to also need to according to corresponding to being done corresponding service demand optimize and improve, develop adaptation not
With the WIFI chips of application scenarios.Checking and test required for the WIFI chips of research and development is then complete on specific hardware and software platform
Into.With the popularization of personal portable computer, smart mobile phone and intelligent home device, the equipment that internet is accessed by WiFi technology
It is being in the growth of blowout, how to optimize MAC protocol stack to reduce network congestion to improve channel utilization is one urgently to be resolved hurrily
The problem of.
For problem above, different manufacturers is owned by solution and the testing scheme of their own.Manufacturer is according to different industry
Business demand carries out research and design and realization according to IEEE802.11 consensus standards, is then set according to mac-layer protocol stack application scenarios
Count special hardware testing circuit and corresponding software module builds mac-layer protocol stack test platform, by corresponding instrument pair
MAC protocol stack function and performance are tested and verified, and then determine whether MAC protocol stack function and performance meet that design will
Ask.Traditional test platform is according to different business scenarios and the hardware of different mac-layer protocol stack standard design specializeds electricity
Road and corresponding software module, the mac-layer protocol stack realized to design tested and verified, this is invisible add checking and
The difficulty and complexity of test job, the availability of hardware platform is not also high, also increases not true in checking and test process
Qualitative and unstability.
The content of the invention
It is an object of the invention to for above-mentioned the deficiencies in the prior art, there is provided a kind of mac-layer protocol based on OpenWrt
Stack verification platform, to reduce hardware and software is redesigned because adapting to different protocol standards and is brought work difficulty and complexity
Degree, lifts operating efficiency, and guarantee checking is smoothed out with test job.
To solve above technical problem, the present invention is by changing different MAC protocol stack hardware modules, completing corresponding
Mac-layer protocol stack is tested and checking work, and it includes：
Mainboard 1, MAC protocol stack hardware module 2 and control unit 3, it is characterised in that：
The mainboard 1, many general EBI 12 is reserved with thereon, and pass through general purpose interface bus 12 and MAC protocol
The UNICOM of stack hardware module 2, and store and run control unit 3；
The MAC protocol stack hardware module 2, it is made up of MAC protocol chip stack and peripheral circuit, MAC protocol chip stack
Draw general purpose interface bus, and with the UNICOM of mainboard 1.
Further, described control unit 3 includes：
Operating system module 31, using OpenWrt systems, for management software and hardware resource；
Drive module 32, for driving MAC protocol chip stack normal work；
MAC protocol stack module 33, for according to IEEE802.11 agreements, realizing that the protocol stack of medium education function is soft
Part.
Further, the mainboard 1 includes：High-performance processor 11, general purpose interface bus 12, power supply circuit 13, JTAG are adjusted
Try mouth 14, memory module 15, ethernet module 16 and serial communication modular 17；High-performance processor 11 respectively with versabus
Interface 12, JTAG debugging interfaces 14, memory module 15, ethernet module 16 are connected with serial communication modular 17；Versabus connects
The other end of mouth 12 is connected with MAC protocol stack hardware module 2；The other end of JTAG debugging interfaces 14 is connected with JTAG debuggers；
The other end of ethernet module 16 is connected with internet；The other end of serial communication modular 17 is connected with PC；Memory module 15 is used
In storage control unit 3；Power supply circuit 13 is used to provide electric energy for mainboard 1.
Further, the high-performance processor 11, its selection can support PCI-E or USB or SDIO or RGMII bus protocols
Chip, for running control unit 3.
Further, the general purpose interface bus 12, it uses PCI-E interface or USB interface or SDIO interfaces.
Further, the power supply circuit 13, it uses 5 way switch power circuits, for input supply voltage to be converted to
12V, 5V, 3.3V, 1.8V and 1.2V needed for mainboard 1.
Further, the memory module 15, it uses NAND Flash chips or SPI Flash chips, is controlled for storing
Unit 3 processed.
Further, the ethernet module 16, it uses GiGE PHY chips, and by RGM II agreements and high-performance at
The UNICOMs of Li Qi 11.
Further, described with serial port module 17, it is connected by RS232 agreements with PC computers, for controlling and gathering master
The corresponding information of plate 1.
The present invention has advantages below：
1. the present invention is attached due to separately being designed with MAC protocol stack hardware module using mainboard by versabus；
The probability that verification platform has failure is reduced, advantageously in hardware circuit misarrangement.
2. the present invention is directed to different editions agreement chip stack, only MAC protocol stack hardware mould need to be designed according to agreement chip stack
Block, general purpose interface bus is drawn, by versabus and mainboard UNICOM, reduces the work of related protocol chip stack circuit design
Amount, reduces cost.
3. the present invention erects corresponding checking system by control unit, protocol verification and test job are accelerated, is added
Fast launch.
Brief description of the drawings
Fig. 1 overall structure figures of the present invention；
Motherboard hardware block diagram in Fig. 2 present invention.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that institute
The embodiment of description is only the part of the embodiment of the present invention, rather than whole embodiments.
Referring to Fig. 1, the mac-layer protocol stack verification platform of the invention based on OpenWrt, including mainboard 1, MAC protocol stack are hard
Part module 2 and control unit 3.
The mainboard 1 includes core processor 11, general purpose interface bus 12, power supply circuit 13, JTAG debugging interfaces 14, deposits
Store up module 15, wired ethernet module 16 and serial communication modular 17；The high-performance processor 11 respectively with general purpose interface bus
12nd, JTAG debugging interfaces 14, memory module 15, ethernet module 16 are connected with serial communication modular 17；The general purpose interface bus
12 other end is connected with MAC protocol stack hardware module 2；The other end of the JTAG debugging interfaces 14 is connected with JTAG debuggers；
The other end of the ethernet module 16 is connected with internet；The other end of serial communication modular 17 is connected with PC；The storage mould
Block 15 is used for storage control unit 3；The power supply circuit 13 is used to provide electric energy for mainboard 1.
The MAC protocol stack hardware module 2, it is made up of mac-layer protocol chip stack to be verified and its peripheral circuit, MAC
Agreement chip stack draws general purpose interface bus 12, and carries out UNICOM by versabus 12 and mainboard 1, for realizing MAC protocol
Communication between stack hardware module 12 and mainboard 1.
Described control unit 3, it is made up of operating system module 31, drive module 32 and MAC protocol stack 33；Wherein operate
System module 31 is open source operating system OpenWrt；Drive module 32 is MAC protocol chip stack driver to be verified, is used for
Drive MAC protocol chip stack normal work；MAC protocol stack 33 is according to IEEE802.11 consensus standards, realizes media access control
The protocol stack sofeware of function processed.
Referring to Fig. 2, each part in mainboard 1 of the present invention is from as follows：
The high-performance processor 11, its selection can support the chip of PCI-E or USB or SDIO or RGMII bus protocols,
For running control unit 3, the present embodiment uses but is not limited to Marvell 88F6281, its support PCI-E, USB, SDIO and
RGM II EBIs.
The general purpose interface bus 12, it uses PCI-E interface or USB interface or SDIO interfaces.The present embodiment high-performance
The general purpose interface bus 12 that processor Marvell 88F6281 are drawn includes PCI-E interface, USB interface and SDIO interfaces.
The power supply circuit 13, using 5 road DC/DC converters, input power is converted to by the institute of mainboard 1 by the converter
Need voltage, including but not limited to 12V, 5V, 3.3V, 1.8V and 1.2V；The present embodiment DC/DC chip models are used but are not limited to
AOZ1094, mainboard voltage are not limited to 5 road voltage.
The memory module 15, it uses NAND Flash chips or SPI Flash chips, for storage control unit 3；
The present embodiment memory module 15 uses but is not limited to NAND Flash chips.
The ethernet module 16, it uses GiGE PHY chips, and passes through RGM II agreements and high-performance processor 11
UNICOM.The present embodiment ethernet module 16 uses but is not limited to MV88E6171R chips, and one end passes through RGMII buses and high property
Energy processor 11Marvell 88F6281 are connected, and the other end is connected with internet.
It is described with serial port module 17, it is connected by RS232 agreements with PC computers, for controlling and gathering the phase of mainboard 1
Information is answered, the present embodiment serial communication modular 17 uses but is not limited to FT2232D serial port chips, one end of the chip and high-performance
Processor 11Marvell 88F6281 are connected, and the other end is connected with PC.
Above description is only example of the present invention, does not form any limitation of the invention, it is clear that for
, all may be without departing substantially from the principle of the invention, structure after present invention and principle has been understood for one of skill in the art
In the case of, the various modifications and changes in form and details are carried out, but the modifications and variations of these basic inventive ideas are still
Within the claims of the present invention.
Claims (9)
1. the mac-layer protocol stack verification platform based on OpenWrt, including mainboard (1), MAC protocol stack hardware module (2) and control
Unit (3), it is characterised in that：
The mainboard (1), many general EBI (12) is reserved with thereon, and assisted by general purpose interface bus (12) and MAC
Stack hardware module (2) UNICOM is discussed, and stores and runs control unit (3)；
The MAC protocol stack hardware module (2), it is made up of MAC protocol chip stack and peripheral circuit, and MAC protocol chip stack draws
Go out general purpose interface bus (12), and with mainboard (1) UNICOM.
2. platform according to claim 1, it is characterised in that described control unit (3) includes：
Operating system module (31), using OpenWrt systems, for management software and hardware resource；
Drive module (32), for driving MAC protocol chip stack normal work；
MAC protocol stack module (33), for according to IEEE802.11 agreements, realizing that the protocol stack of medium education function is soft
Part.
3. platform according to claim 1, it is characterised in that the mainboard (1) includes：High-performance processor (11), lead to
With EBI (12), power supply circuit (13), JTAG debugging interfaces (14), memory module (15), ethernet module (16) and string
Port communications module (17)；High-performance processor (11) respectively with general purpose interface bus (12), JTAG debugging interfaces (14), storage mould
Block (15), ethernet module (16) are connected with serial communication modular (17)；The other end and MAC protocol of general purpose interface bus (12)
Stack hardware module (2) is connected；The other end of JTAG debugging interfaces (14) is connected with JTAG debuggers；Ethernet module (16) it is another
One end is connected with internet；Serial communication modular (17) other end is connected with PC；Memory module (15) is used to store control list
First (3)；Power supply circuit (13) is used to provide electric energy for mainboard (1).
4. platform according to claim 1, it is characterised in that the high-performance processor (11), its selection can be supported
PCI-E or USB or SDIO or RGMII bus protocols chip, for running control unit (3).
5. platform according to claim 1, it is characterised in that the general purpose interface bus (12), it uses PCI-E interface
Or USB interface or SDIO interfaces.
6. platform according to claim 1, it is characterised in that the power supply circuit (13), it uses 5 way switch power supplys electric
Road, for input supply voltage to be converted to 12V, 5V, 3.3V, 1.8V and 1.2V needed for mainboard (1).
7. platform according to claim 1, it is characterised in that the memory module (15), it uses NAND Flash cores
Piece or SPI Flash chips, for storage control unit (3).
8. platform according to claim 1, it is characterised in that the ethernet module (16), it uses GiGE PHY cores
Piece, and pass through RGM II agreements and high-performance processor (11) UNICOM.
9. platform according to claim 1, it is characterised in that described with serial port module (17), its one end is assisted by RS232
View is connected with PC computers, for controlling and gathering mainboard (1) corresponding information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711143572.5A CN107835108B (en) | 2017-11-17 | 2017-11-17 | OpenWrt-based MAC (media Access control) layer protocol stack verification platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711143572.5A CN107835108B (en) | 2017-11-17 | 2017-11-17 | OpenWrt-based MAC (media Access control) layer protocol stack verification platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107835108A true CN107835108A (en) | 2018-03-23 |
| CN107835108B CN107835108B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711143572.5A Active CN107835108B (en) | 2017-11-17 | 2017-11-17 | OpenWrt-based MAC (media Access control) layer protocol stack verification platform |
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Cited By (2)
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| CN107835108B (en) | 2021-06-22 |
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Effective date of registration: 20220419 Address after: B201, zero one square, Xi'an Software Park, 72 Keji 2nd Road, high tech Zone, Xi'an City, Shaanxi Province, 710000 Patentee after: Tuoer Microelectronics Co.,Ltd. Address before: 710071 Taibai South Road, Yanta District, Xi'an, Shaanxi Province, No. 2 Patentee before: XIDIAN University |