CN102769575A - Flow load balancing method for intelligent network card - Google Patents
Flow load balancing method for intelligent network card Download PDFInfo
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Abstract
The invention discloses a flow load balancing method for an intelligent network card. When a server receives data, the intelligent network card transmits network flow to a shunt control module according to different shunting modes, which include receiving any combination of quintuple in a data packet, a protocol and a dynamic field of a UDP (user datagram protocol) load, configured by a user, then a shunt number is calculated out, and the data packet and the shunt number are transmitted to a data processing module, data packet pretreatment is carried out, and finally the data packet, the shunt number and a preprocessing result are transmitted to a DMA (direct memory access) module, and the data packet is received by a corresponding cache of a host computer by DMA processing for application or thread extraction treatment of the host computer. By utilizing the flow load balancing method disclosed by the invention, the problems that the performance resource of a server processor is wasted, a lightweight tread cannot be achieved, function expansion is troublesome and application burden is overlarge caused by a traditional method can be avoided.
Description
Technical field
The present invention relates to computer realm, relate in particular to a kind of flow load balance method that is used for intelligent network adapter.
Background technology
At present, along with information technology and network application sharply develop with geometry character and astonishing speed, the importance of network analysis is more and more obvious.And simultaneously, the application of multiple-core server also more and more widely.The legacy network analytical equipment generally is made up of the corresponding software of multinuclear X86 server and upward operation thereof.
The software architecture of traditional performance polycaryon processor advantage is that all bags that the server network interface card is received evenly are divided into many streams based on the shunting of IP address, only consider the source destination address, do not consider the type of service of packet.And network analysis software plays many threads, and every thread is equal, and processing professional identical receives a data packet stream and handle.
Though traditional way has been brought into play the parallel processing capability of server polycaryon processor, every thread must possess global function, handles full-service.More and more abundanter in network application from now on, under the situation that network environment becomes increasingly complex, every expansion is to a kind of support of business, and all threads all can increase the weight of a burden layer simultaneously.So over-burden for the thread under this software architecture, can't realize the light weight thread, its performance be brought into play and the Thread Count identical can only be opened at most with the server check figure, can't realize function expansion easily.Waste too much processor-server performance resource, under the bigger situation of network traffics, occur the packet loss phenomenon easily.
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Summary of the invention
The present invention is directed to according to IP bag source destination address and average shunting; To each thread of multiple-core server, handle full-service packet mean allocation; Cause wasting processor-server performance resource, can't realize the lightweight thread, function expansion trouble; Use the problem that over-burden, propose a kind of flow load balance method that is used for intelligent network adapter.This method is based on the intelligent network adapter technology, and intelligent network adapter adopts multi-core network processor, and handling property is high, and the software development flexible configuration can fully be developed according to user's requirement.Intelligent network adapter itself is divided into Network Interface Module, diverter module, data processing module, dma module in the method, and it is powerful to have given full play to the intelligent network adapter software function, the advantage of rich hardware resource.
Technical scheme of the present invention is:
Intelligent network adapter with the network traffics of receiving according to user configured different shunting modes; The dynamic field that comprises the combination in any that receives five-tuple in the packet, agreement, UDP load; Delivering to the flow-dividing control module shunts; Calculate the branch stream number, the corresponding handling procedure of delivering on the server that patches network interface card is handled.The method of the invention specifically comprises following steps:
1) intelligent network adapter load driver is the thread distributing independent packet receiving buffer memory of each upper layer application or application, comprises first address, a cover read-write pointer of packet receiving buffer memory, all is configured in the network interface card relevant register; The thread that is each upper layer application or application simultaneously distributes corresponding D MA resource;
2) according to the demand of each application or thread, at the corresponding flow algorithm that divides of background server end configuration, identical shunting algorithm application or thread are formed a shunt group, and flow equalization distributes between the same shunt group; Each shunts algorithm configuration has match query condition, inquiry finish condition and priority;
3) after intelligent network adapter is received packet, in the flow-dividing control module, come the filtering data bag according to the condition of minute flow algorithm; Judge the branch flow algorithm of current data packet; Begin inquiry from the high branch flow algorithm of priority,, then deliver to corresponding shunt group if satisfy the matching condition that high advantage level is divided flow algorithm; If do not satisfy, then this priority shunting algorithm queries termination gets into next step flow process.
4) the branch flow algorithm that reduces priority is successively repeated 3) said step, up to the branch flow algorithm of having inquired about all application configuration, packet is carried out the branch flow algorithm of acquiescence;
5) hit the branch flow algorithm for packet after, diverter module is sent corresponding branch stream number and the packet of this minute flow algorithm into data processing module simultaneously;
6) data processing module carries out preliminary treatment to packet, the work of treatment of part bag is placed on the network interface card accomplishes; Its processing procedure is disposed by the user, according to the corresponding processing mode of difference shunting algorithm configuration, comprises stream reduction, content match, agreement recognized action;
7) after the preliminary treatment of packet is accomplished; The intelligent network adapter data processing module is with packet, preliminary treatment result and divide stream number all to deliver to dma module; Dma module is selected corresponding main frame buffer memory according to a minute stream number, carries out dma operation; Deliver to packet and preliminary treatment result on the main frame, and upgrade corresponding read-write pointer notice main frame.
8) different application of moving on the main frame or thread are obtained corresponding packet on branch stream number separately.And obtain corresponding preliminary treatment result simultaneously, quicken processing procedure.
Flow algorithm can be by each application or thread separate configurations in of the present invention minute.
Among the present invention, dispose identical shunting algorithm application or thread and form a shunt group.Packet is dispensed on the group stream number of interior each minute by flow equalization in the shunt group.Exist priority different the branch between the flow algorithm, and each divides flow algorithm that the inquiry finish condition is set simultaneously.The network interface card diverter module divides a flow algorithm step by step to inquire about until acquiescence to each packet from the high priority to the low priority, hits directly will divide stream number and packet to deliver to the follow-up data processing module behind the branch flow algorithm to carry out the packet preliminary treatment.
Among the present invention, data processing module carries out preliminary treatment to packet.Pretreatment process is confirmed according to the branch flow algorithm of oneself by each application or thread.
Among the present invention, the branch stream number that dma module is confirmed based on diverter module is chosen corresponding packet receiving buffer memory, initiates dma operation, sends in the host memory and the corresponding read-write of modification pointer notice host application program or thread.Host application program is directly obtained the packet that oneself will handle in distributing to the packet receiving buffering area of oneself.
Beneficial effect of the present invention:
The present invention is based on server configures and the streambuf territory of a special use is provided, simultaneously, use or thread can dispose proprietary branch flow algorithm based on own needs for each upper layer software (applications) thread of supporting.Intelligent network adapter can be delivered to the packet that hits corresponding minute flow algorithm in the packet receiving buffering area of corresponding branch stream number, and supply is used or the thread extraction is used.And intelligent network adapter can also carry out alleviating the burden of application or thread greatly such as pretreatment operation such as stream reduction, content match, agreement identifications to packet.
Among the present invention, utilize flow load balance method of the present invention, can avoid conventional method to cause wasting processor-server performance resource, can't realize the lightweight thread, function expansion trouble is used the problem that over-burden.
Description of drawings
Fig. 1 is a system configuration sketch map of the present invention.
Fig. 2 is a diverter module sketch map of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.This method comprises following steps:
1) intelligent network adapter drives when loading, and is the thread distributing independent packet receiving buffer memory of each upper layer application or application, and corresponding D MA resource.Comprise first address, a cover read-write pointer of packet receiving buffer memory, all be configured in the network interface card relevant register.
2) each application or thread can be according to the demands of oneself, the own required branch flow algorithm of configuration.Identical shunting algorithm application or thread can be formed a shunt group, and flow equalization distributes between the same shunt group.The shunting algorithm configuration has priority and inquiry finish condition.
3) receive packet after, intelligent network adapter carries out the shunting of high priority earlier to be handled, and then delivers to corresponding shunt group if satisfy condition.If do not satisfy (promptly satisfying the inquiry finish condition), then get into next step flow process.
4) the branch flow algorithm to low priority repeats 3) said step, up to the branch flow algorithm of having inquired about all application configuration, packet is carried out the branch flow algorithm of acquiescence.
5) after packet has hit the branch flow algorithm, diverter module will divide stream number and packet to send into data processing module simultaneously.
6) data processing module carries out preliminary treatment to packet, its objective is part bag work of treatment is placed on the network interface card to accomplish, and alleviates the burden of host application.Its processing procedure is disposed by the user, can shunt the different processing mode of algorithm configuration based on difference, comprises actions such as stream reduction, content match, agreement identification.
7) after the preliminary treatment of packet was accomplished, the intelligent network adapter data processing module was with packet, preliminary treatment result and divide stream number all to deliver to dma module.Dma module is selected corresponding main frame buffer memory according to a minute stream number, carries out dma operation, delivers to packet and preliminary treatment result on the main frame.And upgrade corresponding read-write pointer and notify main frame.
8) different application of moving on the main frame or thread are obtained corresponding packet on branch stream number separately.And obtain corresponding preliminary treatment result simultaneously, quicken processing procedure.
The present invention is based on server configures and the streambuf territory of a special use is provided, simultaneously, use or thread can dispose proprietary branch flow algorithm based on own needs for each upper layer software (applications) thread of supporting.Intelligent network adapter can be delivered to the packet that hits corresponding minute flow algorithm in the packet receiving buffering area of corresponding branch stream number, and supply is used or the thread extraction is used.And intelligent network adapter can also carry out alleviating the burden of application or thread greatly such as pretreatment operation such as stream reduction, content match, agreement identifications to packet.
Utilize flow load balance method of the present invention, can avoid conventional method to cause wasting processor-server performance resource, can't realize the lightweight thread, function expansion trouble is used the problem that over-burden.
The present invention does not relate to all identical with the prior art prior art that maybe can adopt of part and realizes.
Claims (7)
1. flow load balance method that is used for intelligent network adapter, said intelligent network adapter, it comprises following content:
Network Interface Module, flow-dividing control module, data processing module, dma module; Wherein flow-dividing control module, data processing module on hardware all based on multi-core network processor.
2. the flow load balance method that is used for intelligent network adapter according to claim 1 is characterized in that:
Intelligent network adapter with the network traffics of receiving according to user configured different shunting modes; The dynamic field that comprises the combination in any that receives five-tuple in the packet, agreement, UDP load; Sending to the flow-dividing control module shunts; Identify the branch flow algorithm and divide stream number, send on the server that patches intelligent network adapter with each minute stream number corresponding processing program handle.
3. according to the described flow load balance method that is used for intelligent network adapter of claim 1～2, it may further comprise the steps:
1) intelligent network adapter load driver is the thread distributing independent packet receiving buffer memory of each upper layer application or application, comprises first address, a cover read-write pointer of packet receiving buffer memory, all is configured in the network interface card relevant register; The thread that is each upper layer application or application simultaneously distributes corresponding D MA resource;
2) according to the demand of each application or thread, at the corresponding flow algorithm that divides of background server end configuration, identical shunting algorithm application or thread are formed a shunt group, and flow equalization distributes between the same shunt group; Each shunts algorithm configuration has match query condition, inquiry finish condition and priority;
3) after intelligent network adapter is received packet, in the flow-dividing control module, come the filtering data bag according to the condition of minute flow algorithm; Judge the branch flow algorithm of current data packet; Begin inquiry from the high branch flow algorithm of priority,, then deliver to corresponding shunt group if satisfy the matching condition that high advantage level is divided flow algorithm; If do not satisfy, then this priority shunting algorithm queries termination gets into next step flow process;
4) the branch flow algorithm that reduces priority is successively repeated 3) said step, up to the branch flow algorithm of having inquired about all application configuration, packet is carried out the branch flow algorithm of acquiescence;
5) hit the branch flow algorithm for packet after, diverter module is sent corresponding branch stream number and the packet of this minute flow algorithm into data processing module simultaneously;
6) data processing module carries out preliminary treatment to packet, the work of treatment of part bag is placed on the network interface card accomplishes; Its processing procedure is disposed by the user, according to the corresponding processing mode of difference shunting algorithm configuration, comprises stream reduction, content match, agreement recognized action;
7) after the preliminary treatment of packet is accomplished; The intelligent network adapter data processing module is with packet, preliminary treatment result and divide stream number all to deliver to dma module; Dma module is according to a minute stream number; Select corresponding main frame buffer memory; Carry out dma operation; Packet and preliminary treatment result are delivered on the main frame, and upgraded corresponding read-write pointer notice main frame;
8) different application of moving on the main frame or thread are obtained corresponding packet on branch stream number separately, and obtain corresponding preliminary treatment result simultaneously, quicken processing procedure.
4. the flow load balance method that is used for intelligent network adapter according to claim 3 is characterized in that:
Divide flow algorithm by each application or thread separate configurations.
5. the flow load balance method that is used for intelligent network adapter according to claim 3 is characterized in that:
Dispose identical shunting algorithm application or thread and form a shunt group; Packet is dispensed on the group stream number of interior each minute by flow equalization in the shunt group; Exist priority different the branch between the flow algorithm; Each divides flow algorithm that match query condition and inquiry finish condition are set simultaneously; The network interface card diverter module divides a flow algorithm step by step to inquire about until acquiescence to each packet from the high priority to the low priority, hits directly will divide stream number and packet to deliver to the follow-up data processing module behind the branch flow algorithm to carry out the packet preliminary treatment.
6. the flow load balance method that is used for intelligent network adapter according to claim 3 is characterized in that:
Data processing module carries out preliminary treatment to packet, and pretreatment process is confirmed according to the branch flow algorithm that has disposed by each application or thread.
7. the flow load balance method that is used for intelligent network adapter according to claim 3 is characterized in that:
The branch stream number that dma module is confirmed according to diverter module; Choose corresponding packet receiving buffer memory; Initiate dma operation; Send in the host memory and the corresponding read-write of modification pointer notice host application program or thread, host application program is directly obtained the packet that oneself will handle in distributing to the packet receiving buffering area of oneself.
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| CN103677750A (en) * | 2013-12-09 | 2014-03-26 | 龙芯中科技术有限公司 | Method and device for processing thread |
| CN104539642A (en) * | 2014-10-29 | 2015-04-22 | 杭州银江智慧医疗集团有限公司 | Device and method for hardware acceleration of Internet of things module equipment based on infection control protocol package |
| WO2015096656A1 (en) * | 2013-12-26 | 2015-07-02 | 华为技术有限公司 | Thread creation method, service request processing method and related device |
| WO2015113437A1 (en) * | 2014-01-29 | 2015-08-06 | 华为技术有限公司 | Data packet processing method and device based on parallel protocol stack instances |
| CN106165359A (en) * | 2014-10-17 | 2016-11-23 | 华为技术有限公司 | Data stream distributing method and equipment |
| CN107135278A (en) * | 2017-07-06 | 2017-09-05 | 深圳市视维科技股份有限公司 | A kind of efficient load equalizer and SiteServer LBS |
| CN107317759A (en) * | 2017-06-13 | 2017-11-03 | 国家计算机网络与信息安全管理中心 | A kind of thread-level dynamic equalization dispatching method of network interface card |
| CN107592370A (en) * | 2017-10-31 | 2018-01-16 | 郑州云海信息技术有限公司 | A kind of network load balancing method and device |
| CN108092913A (en) * | 2017-12-27 | 2018-05-29 | 杭州迪普科技股份有限公司 | A kind of method and the multi-core CPU network equipment of message shunting |
| CN110300131A (en) * | 2018-03-21 | 2019-10-01 | 北京金风科创风电设备有限公司 | Routing method, device, equipment and system for multiple services of wind power plant |
| CN113157447A (en) * | 2021-04-13 | 2021-07-23 | 中南大学 | RPC load balancing method based on intelligent network card |
| WO2022089175A1 (en) * | 2020-10-29 | 2022-05-05 | 华为技术有限公司 | Network congestion control method and apparatus |
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| CN103677750A (en) * | 2013-12-09 | 2014-03-26 | 龙芯中科技术有限公司 | Method and device for processing thread |
| WO2015096656A1 (en) * | 2013-12-26 | 2015-07-02 | 华为技术有限公司 | Thread creation method, service request processing method and related device |
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| CN107592370A (en) * | 2017-10-31 | 2018-01-16 | 郑州云海信息技术有限公司 | A kind of network load balancing method and device |
| CN108092913A (en) * | 2017-12-27 | 2018-05-29 | 杭州迪普科技股份有限公司 | A kind of method and the multi-core CPU network equipment of message shunting |
| CN108092913B (en) * | 2017-12-27 | 2022-01-25 | 杭州迪普科技股份有限公司 | Message distribution method and multi-core CPU network equipment |
| CN110300131A (en) * | 2018-03-21 | 2019-10-01 | 北京金风科创风电设备有限公司 | Routing method, device, equipment and system for multiple services of wind power plant |
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| WO2022089175A1 (en) * | 2020-10-29 | 2022-05-05 | 华为技术有限公司 | Network congestion control method and apparatus |
| CN113157447A (en) * | 2021-04-13 | 2021-07-23 | 中南大学 | RPC load balancing method based on intelligent network card |
| CN113157447B (en) * | 2021-04-13 | 2023-08-29 | 中南大学 | RPC load balancing method based on intelligent network card |
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Application publication date: 20121107 |