CN102609034A - PCI (peripheral component interconnect) card for data pretreatment of universal network - Google Patents
PCI (peripheral component interconnect) card for data pretreatment of universal network Download PDFInfo
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- CN102609034A CN102609034A CN2011100246760A CN201110024676A CN102609034A CN 102609034 A CN102609034 A CN 102609034A CN 2011100246760 A CN2011100246760 A CN 2011100246760A CN 201110024676 A CN201110024676 A CN 201110024676A CN 102609034 A CN102609034 A CN 102609034A
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Abstract
The invention discloses a PCI (peripheral component interconnect) card for data pretreatment of universal network. The PCI card comprises an electrical port network interface, a MCU (micro control unit) processor, and a PCI bridge chip, wherein the electrical port network interface is connected with the PCI bridge chip through the MCU processor; the electrical port network interface receives data from the network; and the MCU processor is used for pointedly processing the data in a data packet according to different application occasions, then transmitting the available information to a host application program for further treatment. The PCI card provided by the invention can effectively reduce the massive data treatment of a host system and reduce the negative impacts of frequent interruption on the performance of the host operation system by executing the network data treatment program and the subsequent treatment task of a portion of key data, so that the CPU (central processing unit) can be released from the heavy I/O (input/output) task and focus on the user's application. The PCI card can be used in occasions receiving massive network data, such as video monitoring and network storage.
Description
Technical field
The present invention relates to a kind of pci card, particularly a kind of universal network data pre-service pci card.
Background technology
Universal network data pre-service pci card be a kind of be applicable to handle the mass network data the network pre-service establish; As shown in Figure 1, the structure of existing universal network data pre-service pci card directly uses X86 framework chip to connect network chip 10 from PCI or PCIe bus, uses the host CPU 20 on the mainboard to come the network data bag.
But, because because the increase of network data amount can cause frequent interruption, this structure of existing universal network data pre-service pci card can increase the burden of host CPU 20, and can cause loss of data.
Simultaneously, the increase of network data amount can cause the TCP/IP package, the system's arithmetic capability consumption that unpacks, the speed of the main application program of reduction user.
In sum, to the defective of prior art, need a kind of universal network data pre-service pci card especially, with the problem of mentioning more than solving.
Summary of the invention
The object of the present invention is to provide a kind of universal network data pre-service pci card; Solve the defective of above-mentioned prior art, can effectively reduce the processing of host computer system, reduce the frequent negative effect of interrupting for the host operating system performance mass data; Thereby CPU is liberated from heavy I/O task; Be absorbed in user's application, simple in structure, very practical.
The technical matters that the present invention solved can adopt following technical scheme to realize:
A kind of universal network data pre-service pci card; It is characterized in that; It comprises electricity mouthful network interface, MCU processor and PCI bridging chip; An electricity mouthful network interface is connected mutually with said PCI bridging chip through the MCU processor, and an electricity mouthful network interface receives data from network, after the data in the packet being handled targetedly according to different application scenarios through the MCU processor information available is passed to host application program and further handles.
In one embodiment of the invention, different subprocesss, foundation is connected with the TCP/IP of different IP.Collect data and do certain pre-service, copy to main frame through DMA.
In one embodiment of the invention, key message, TCP/IP packet header and the MAC packet header of said electricity mouthful network interface receiving network data.
In one embodiment of the invention, said MCU processor processes key message and TCP/IP packet header.
Have following advantage at universal network data pre-service pci card of the present invention:
1, software interface standard has general POSIX interface, makes the better portable of user program;
2, adopt pci interface, can be deployed on the main control system of different frameworks flexibly;
3, have benefited from dominant frequency up to 400mhz, processing speed allows the user to move bigger application program above that, thereby lowers main unit load greatly.
Universal network data pre-service pci card of the present invention, through execution network data processing program, and the subsequent treatment task of part key data; Can effectively reduce the processing of host computer system, reduce the frequent negative effect of interrupting for the host operating system performance, thereby CPU is liberated from heavy I/O task mass data; Be absorbed in user's application, can be as the occasion of accepting the mass network data, like video monitoring; Important events such as the network storage; Simple in structure, very practical, realize the object of the invention.
Characteristics of the present invention can consult this case graphic and below better embodiment detailed description and obtain to be well understood to.
Description of drawings
Fig. 1 is the structural representation of existing universal network data pre-service pci card;
Fig. 2 is the structural representation of universal network data pre-service pci card of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figure 2; Universal network data pre-service pci card of the present invention; It comprises electricity mouthful network interface 100, MCU processor 200 and PCI bridging chip 300; Electricity mouthful network interface 100 is connected mutually with said PCI bridging chip 300 through MCU processor 200; Electricity mouthful network interface 100 receives data from network, after the data in the packet being handled targetedly according to different application scenarios through MCU processor 200 information available is passed to host application program and further handles.
In the present invention, different subprocesss, foundation is connected with the TCP/IP of different IP.Collect data and do certain pre-service, copy to main frame through DMA.
In the present invention, key message, TCP/IP packet header and the MAC packet header of said electricity mouthful network interface 100 receiving network datas.
In the present invention, said MCU processor 200 is handled key message and TCP/IP packet header.
Electricity mouthful network interface 100 is after having received network data; Embedded OS through MCU processor 200 is handled; And, the data in the packet are handled targetedly, like verification according to different application scenarios; Extract key message, wait available information after handling after the pretreated work to pass to host application program and further handle.Through carrying out the network data processing program; And the subsequent treatment task of part key data; Can effectively reduce the processing of host computer system to mass data; Reduce the frequent negative effect of interrupting for the host operating system performance, thereby CPU is liberated from heavy I/O task, be absorbed in user's application.This network interface card can be used as the occasion of accepting the mass network data, like video monitoring, and important events such as the network storage.
Through being carried in the ICP/IP protocol stack of the embedded OS operation mature and reliable on the MCU processor 200.Thereby protocol stack interface easily is provided for the specific aim user network application program that runs on the embedded OS.Aspect network application, like network storage device, can extract corresponding data, and transfer to host process being transferred to local network packet, be stored in host hard drive.And need not the heavy ICP/IP protocol of host process and frequent interruption and by the processing of a large amount of storehouse programs of interrupting causing.Thereby improve the host network interface total flow.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the instructions just explains principle of the present invention, and under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications; These variations and improvement all fall in the scope of the invention that requires protection, and the present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (4)
1. universal network data pre-service pci card; It is characterized in that; It comprises electricity mouthful network interface, MCU processor and PCI bridging chip; An electricity mouthful network interface is connected mutually with said PCI bridging chip through the MCU processor, and an electricity mouthful network interface receives data from network, after the data in the packet being handled targetedly according to different application scenarios through the MCU processor information available is passed to host application program and further handles.
2. universal network data pre-service pci card according to claim 1 is characterized in that, different subprocesss, and foundation is connected with the TCP/IP of different IP.Collect data and do certain pre-service, copy to main frame through DMA.
3. universal network data pre-service pci card according to claim 1 is characterized in that, key message, TCP/IP packet header and the MAC packet header of said electricity mouthful network interface receiving network data.
4. universal network data pre-service pci card according to claim 1 is characterized in that said MCU processor processes key message and TCP/IP packet header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100246760A CN102609034A (en) | 2011-01-21 | 2011-01-21 | PCI (peripheral component interconnect) card for data pretreatment of universal network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100246760A CN102609034A (en) | 2011-01-21 | 2011-01-21 | PCI (peripheral component interconnect) card for data pretreatment of universal network |
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| CN102609034A true CN102609034A (en) | 2012-07-25 |
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| CN2011100246760A Pending CN102609034A (en) | 2011-01-21 | 2011-01-21 | PCI (peripheral component interconnect) card for data pretreatment of universal network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744820A (en) * | 2013-12-31 | 2014-04-23 | 湖南大唐先一科技有限公司 | Data discriminating and pre-processing physic card |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648862A (en) * | 2005-02-01 | 2005-08-03 | 苏州超锐微电子有限公司 | Method for realizing network function by PCI extension ROM |
| CN1874289A (en) * | 2005-06-02 | 2006-12-06 | 深圳职业技术学院 | Embedded type network access deice and method |
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2011
- 2011-01-21 CN CN2011100246760A patent/CN102609034A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648862A (en) * | 2005-02-01 | 2005-08-03 | 苏州超锐微电子有限公司 | Method for realizing network function by PCI extension ROM |
| CN1874289A (en) * | 2005-06-02 | 2006-12-06 | 深圳职业技术学院 | Embedded type network access deice and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103744820A (en) * | 2013-12-31 | 2014-04-23 | 湖南大唐先一科技有限公司 | Data discriminating and pre-processing physic card |
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Application publication date: 20120725 |