CN1308864C - Network management information processing method and management information generating controller - Google Patents
Network management information processing method and management information generating controller Download PDFInfo
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- CN1308864C CN1308864C CNB02123325XA CN02123325A CN1308864C CN 1308864 C CN1308864 C CN 1308864C CN B02123325X A CNB02123325X A CN B02123325XA CN 02123325 A CN02123325 A CN 02123325A CN 1308864 C CN1308864 C CN 1308864C
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Abstract
The present invention provides a processing method for network management information and a controller generating the management information. After the processing method utilizes an MIB counter of the controller to collect the network system management information and contents thereof, the contents of the MIB counter are packaged into an internal control sealing bag in due time, the contents of the MIB counter are loaded into a computer main memory to be stored in a direct memory access mode, and the internal control sealing bag can comprise different system management information and the contents thereof. The present invention can reduce resource waste of a CPU system, so the transfer of the information can be more efficient.
Description
Technical field
The present invention relates to network management technology, specifically is the controller about a kind of disposal route and generation management information of network management information.
Background technology
(Network Interface Card NIC) is interface between host computer and the network cable to network interface unit, and the controller of a special disposal network interface is arranged on this card, and it can move according to the program in the storer.For computer, network interface unit is responsible for carrying the data between computer memory and the parallel data bus line; For network, network interface unit is responsible for receiving/transmit the data signal on the transmission line.
In known techniques, see also shown in Figure 1ly, be the calcspar of network interface unit reception/transmission data signal.Mainly comprise a medium access controller 11 (Media Access Controller in the network interface unit 1, hereinafter to be referred as MAC) and entity apparatus 12 (Physical layer device, PHY), the entity apparatus 12 of network interface unit 1 mainly is that the transmission signals of being responsible for receiving on the network is a digital signal with this conversion of signals also.When the package on the network is sent to network interface unit 1, this package is sent to MAC11 after can receiving, change via entity apparatus 12 earlier, and in the management information data bank working storage that MAC11 can be stored in network interface unit according to its identical object group or object with the system management messages of package (Maragement Information BaseRegister is hereinafter to be referred as the MIB working storage).
Management information data bank (hereinafter to be referred as MIB) is one group of object (type of network entity) that is included in the network management data bank, its specification has been stated the essence of object, MIB has defined ten kinds of object groups and 171 objects altogether at present, and the management information in this MIB working storage can comprise: the data that receives how many packages, send out the data of how many packages, the data of transmission collision, some than the data of details as damaging the data (CRC error) of package, the data of undesired package (long or too short Datagram), the setting of package, the parameter of package or by the data content of package that the deviser defines, value that some are special or the like can be by the data of periodic counting with poll.
MAC11 utilizes management information data bank counter (MIB counters is hereinafter to be referred as the MIB counter) to calculate the statistical data of aforementioned relevant management information, and each counter is being deposited by MIB defined object group or object.Driver (Driver) utilizes the MIB counter to count system management messages in these Datagrams, and stores the management information data that these have been counted with the MIB working storage; When the data of network interface unit 1 one of them MIB counter is overflowed (Overflow) soon, for example: when referring to that data working storage inner capacities is about to reach 65535 (FFFFh), MAC11 in the network interface unit 1 will send an interruption (Interrupt) and ask to driver 2, this driver 2 will send I/O instruction (I/O Command), management information data in this MIB working storage is taken away, read use for the network communication protocol layer 3 on upper strata more, for example: Simple Network Management Protocol (Simple Network Management Protocol, SNMP) 4 or other communications protocol 5.
Yet, the frequency range of network constantly becomes big now, data on the network also increases thereupon, this moment, a large amount of data was constantly delivered to driver 2 by network interface unit 1 with data, network interface unit 1 can constantly be sent interrupt request, make driver 2 also can constantly send the I/O instruction, but too much interrupt request and I/O instruction will take a large amount of cpu system resources, relative meeting causes the burden of CPU.A large amount of as mentioned above network informations is sent in the network interface unit 1, by the MIB counter, network interface unit 1 itself can need many working storages to store MIB, makes the design of network interface unit 1 on hardware also can increase its complexity and cost and the increase of working storage is related.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of controller of disposal route and generation management information of network management information, the management information data of network package need be stored in the working storage of hardware resource, and can directly transmit toward the upper strata by a kind of special control package; Owing to reduced the quantity that stores working storage, make the complexity of hardware design and cost reduce, reduce the number of times of interrupt request and I/O instruction simultaneously, and then improve performance of entire system.
The technical solution used in the present invention is as follows:
A kind of disposal route of network management information comprises:
Receive a plurality of Datagrams that transmitted on the Ethernet;
Respond those Datagrams to produce a plurality of managerial datas;
Produce an internal control package according to those managerial datas; And
This internal control package is inserted between those Datagrams and pass to a driver, this driver is finished the message exchange between lower floor's network interface unit and the upper level applications, makes upper level applications can obtain those managerial datas.
The disposal route of aforesaid network management information, wherein those managerial datas are by being counted generation with a plurality of MIB counters, those managerial datas comprise can be by the data of periodicity counting with poll, wherein should produce the step of internal control package, when reaching a threshold value, collect all those managerial datas and be packaged into this internal control package when one of those managerial datas.
A kind of controller is recovered several Datagrams in order to pass, and comprises:
A plurality of MIB counters are in order to respond those Datagrams to produce a plurality of managerial datas;
Control package generation unit is in order to produce an internal control package according to those managerial datas; And
One direct memory access engine.
Wherein, this controller assigns this internal control package between those Datagrams, and is with direct memory access mode, temporary to a primary memory by this direct memory access (DMA) engine.
Aforesaid controller wherein more comprises a Rx index working storage, in order to point to an address of this primary memory that the package received will keep in; One Rx_IP index working storage is in order to point to an address of this primary memory that this internal control package will keep in; One Tx index working storage is in order to point to wait for an address that is sent to this primary memory that next outside package keeps in; And those index working storages are all ring texture.
A kind of disposal route that is used for the PC network management information comprises the following step:
Initialization one network equipment;
This network equipment receives a plurality of Datagrams from an external network;
Respond those Datagrams to produce a plurality of managerial datas;
Produce an internal control package according to those managerial datas; And
This internal control package is inserted between those Datagrams, with direct memory access mode, temporary to a primary memory.
The present invention utilizes the raising of internal control package to obtain the efficient of package management information, can reduce the number of times of interrupt request and I/O instruction in a large number, and then save the cpu system resource, effectively improves performance of entire system.
Simultaneously, the present invention comes the transfer management information material with the internal control package, makes the relative minimizing of quantity of hardware resource working storage on the network interface unit so can reduce the complexity and the cost that design on the network interface unit hardware.
Description of drawings
Fig. 1 is the calcspar of network interface unit reception/transmission data signal;
The block schematic diagram that Fig. 2 handles for package of the present invention;
Fig. 3 is the synoptic diagram of Datagram of the present invention and the transmission/reception of internal control package.
The drawing reference numeral explanation
1 network interface unit
2 drivers
3 network communication protocol layers
4 Simple Network Management Protocols (SNMP)
5 other communications protocol
6 Ethernets
In the 7 network communication structure opening formula system connection reference models the 3rd layer to layer 7
11 medium access controllers
11 ' controller
111 index working storages
12 entity apparatus
13 network connections
14 bus interface
21 computer main memories
32 Special_RxData zones
33 RxData zones
35 Datagrams
36 internal control packages
Embodiment
Below enumerate embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention, feature and plurality of advantages thereof are described in further detail.
Because known techniques in the Datagram sending and receiving, because network interface unit is sent too much interrupt request, makes CPU must send many I/O and instructs the data of collecting and cause the system resource of CPU occupied.The present invention utilizes a kind of new internal control package to realize the data transmission of management information data bank, in one embodiment of this invention, after utilizing the system management messages and content thereof of MIB counter collection network of controller, in time the content of MIB counter is directly packed and become a kind of internal control package, (Direct Memory Access, DMA) mode is sent in the computer main memory and is stored by direct memory access (DMA).This internal control package can comprise various system management messages and content thereof, and comparing with MIB counter in the known techniques seems has more variation and elasticity.
See also shown in Figure 2ly, be the block schematic diagram that expression package of the present invention is handled.As shown in Figure 2, the left side of network interface unit 1 is an Ethernet 6, and this Ethernet 6 utilizes a network connection 13 to be connected with network interface unit 1; The right side of network interface unit 1 is computer main memory 21 (Main memory), and its internal layout has RxData zone 33 of depositing Datagram and the Special_RxData zone 32 of depositing the internal control package; And primary memory 21 right sides are driver 2, read the stored package of primary memory 21 by driver 2; The right side of driver 2 is a network communication protocol layer 3, wherein, can find out that mode that the present invention uploads Datagram and internal control package is for via two different paths: Datagram is initiatively given network communication protocol layer (protocol) with it by driver 2; The internal control package then sends initiatively inquiry (query) by network communication protocol or automatic regular polling (polling) is obtained.In this specific embodiment, package on the network is sent in the network interface unit 1 via network connection 13, the package that conversion by entity apparatus 12 transmits network send into controller 11 ', it is temporary to enter in the primary memory RxData zone 33 by bus interface 14 again; And the internal control package is in time produced by hardware, preferably comprises the system management messages that the MIB counter is provided, and by temporary to the primary memory Special_RxData zone 32, to help the communication between network interface unit 1 and upper level applications.
In a specific embodiment of the present invention, when computer system starts, use for network interface unit 1 in a zone in the driver 2 meeting configuration primary memorys 21, with regard to the angle that receives package, for instance, driver 2 can require the special internal control package (staging area of translator unit is then omitted and do not shown) that RxData and two zoness of different of Special_RxData 33,32 in the configuration primary memorys 21 are produced for temporary outside Datagram and network interface unit 1 respectively.It is temporary that outside Datagram is delivered to RxData zone 33 by DMA; And work as network management information, when for example the contents value of the data of MIB counter surpasses deviser's preset threshold value, network interface unit 1 can be packaged into special internal control package with its all relevant informations collections, insert between the package of general external network inflow, it is temporary to deliver to Special_RxData zone 32 by the DMA engine with dma mode.But not when the data of MIB counter was overflowed soon, controller 11 ' just send interrupt request was sent I/O instruction by driver 2 the management information data is taken away.
When network interface unit 1 receives each Datagram or produces an internal control package, preferably can corresponding generation descriptor (descriptor), and be stored in the corresponding address place (not being shown in RxData and the Special_RxData zone 33,32) of each package temporary storage location.3 mode by initiatively inquiry (query) or periodic polling (polling) of network communication protocol layer are taken the internal control package away, with the mib information that obtains to be correlated with.
Preferred embodiment of the present invention further comprises a kind of disposal route and the device of implementing this disposal route that is used for the PC network management information.A kind of controller is recovered several Datagrams to pass, and it comprises: a plurality of MIB counters produce a plurality of managerial datas to respond those Datagram countings; One control package generation unit produces the internal control package according to those managerial datas; A plurality of index working storages point to the address of a primary memory respectively; An and direct memory access engine; Wherein, this controller assigns this internal control package between those Datagrams,, those Datagrams and internal control package is temporary respectively to the different storage areas of independence of this primary memory by this direct memory access (DMA) engine by those index working storage addressing with direct memory access mode.
Please cooperate Fig. 2 to show the working storage of relevant the present invention's running.When computer system starts, can initialization network interface unit 1 middle controller 11 ' many working storages 111.For instance, driver 2 can initialization controllers 11 ' Tx index working storage, Rx index working storage, Rx_IP index working storage and Tx_IP index working storage; Afterwards, those working storages respectively in order to the package of sending package outside, external network being collected of the specified address of indicating control 11 ' go service (serve) Tx index working storage with dma mode deposit Rx index working storage indication place, internal control package that network interface unit 1 is produced is temporary to Rx_IP index working storage indication place and the Tx_IP index working storage position of collecting the control command of getting off from the network communication protocol transmission in order to indicating control 11 ' should go.Preferable, two zoness of different of RxData and Special_RxData 33,32 are respectively ring-type (ring) data structure, and those index working storages are all ring texture, and each index working storage can correspondingly increase progressively circulation when controller 11 ' relevant running.Therefore, sending and receiving Datagram, internal control package may be embodied to away different paths, can not interfere with each other.
In preferred embodiment of the present invention, the related information content of the required collection of internal control package needn't arrive at the MIB counter and just send when overflowing soon, but when arriving the required threshold capability value of deviser, promptly collect all relevant informations and be packaged into the internal control package, by DMA data being sent in the computer main memory 21, for example is Special_RxData zone 32; In addition, the mib information content of this internal control package also is subjected to the deviser and plans, information in internal control package can comprise information all types of in the MIB counter, for example: can comprise in the package data that receives how many packages, the data of sending out how many packages, transmission collision data, some than the data of details as the parameter of the setting of the data (long or too short Datagram) of the data of damaging package, undesired package, package, package or by the data content of package that the deviser defines, value that some are special or the like.
See also shown in Figure 3ly, be the synoptic diagram of expression Datagram 35 of the present invention and the 36 transmission/receptions of internal control package, and please cooperate and consult Fig. 2.In this preferred embodiment, the Datagram 35 that transmits on the network is sent in the network interface unit 1 via Network transmission line 13, and by deliver to again after entity apparatus 12 conversion controller 11 ' in.Internal control package 36 of the present invention only in time results from internal system, can't flow to outside network, in order to the management information of effective transmission system inside, and does not take cpu resource.Just shown in Figure 3, can observe receiving end (Rx) and 36 roles of transmission end (Tx) internal control package respectively; In receiving end (Rx), internal control package 36 is in time produced by hardware end (HW) and assigns between the package that is received into by external network, transmits toward the upper strata, typically, passes to driver 2 so that managerial information to be provided; In the transmission end (Tx), driver 2 also can be desired it to assign the order to hardware end (HW), coats down by internal control package 36 and transmits, and can not flow to outside network.
(Open System Interconnection, OSI) in the model, the ground floor and the second layer are equivalent to 2, the three layers of network interface unit 1 among Fig. 3 and drivers to layer 77 and represent the more application program on upper strata at network communication structure opening formula system connection.The circulation path of outside data package can be flowed into the network interface unit 1 and the driver 2 of ground floor, the second layer by the outside, and is handled by the application program on upper strata more; Relatively, the application program on upper strata is desired the externally package of transmission, also can be sent out by opposite path; But, result from the internal control package 36 of internal system by the present invention in good time, only can be between network interface unit 1 and driver 2 transmission information, and the approach that internal control package 36 can not followed general package is submitted to the more application program on upper strata, also can not flow to outside network.
Described in Fig. 2, network communication protocol layer 3 can send agreement inquiry (protocol query) to driver 2, and obtain the internal control package of depositing in the Special_RxData zone by DMA, to obtain system management messages, need not take the resource of CPU, can effectively alleviate the work load of CPU.Implement angle from hardware, also be very favourable, because network interface unit (or network wafer) has been the matured product of accepting for masses, internal hardware design for its network wafer is then haggled over every penny, the lock number can be economized then and economize, therefore the design of each MIB working storage in the past is a byte or two byte-sized at most, when it just must send hardware interrupts near FFh or FFFFh, takies the cpu resource of system.And the present invention utilizes the internal control package that mib information is assigned among the package stream (packet stream), and be sent in the specific primary memory temporary, for example, just take its information away application when system program is then had much to do when needed or more, can effectively distribute hardware resource; And primary memory is very cheap at present, and is moving then have the space of last GB more to be difficult to have the situation of worrying spill-over habitually in the past and to take place for depositing.For upper level applications, excellent compatibility is also arranged, and needn't revise application program in order to implement the present invention; For example, driver 2 is got internal control package 36 also (retrieve) parameter of being recognized for network communication protocol 3 in the past, and treat network communication protocol 3 to send initiatively inquiry (query) or automatic regular polling (polling) and obtain management information, therefore, the environment of being seen for network communication protocol 3 is constant, but the running of lower floor will become very efficient by announcement of the present invention.
Utilization of the present invention in time produces the internal control package to collect the management information of peripheral device, driver utilizes direct memory access mode to obtain the internal control package of lower floor's network interface unit, make upper level applications obtain those management information, with a large amount of minimizing interrupt request and I/O instruction, and can not waste the cpu system resource, effectively improve the overall network efficiency of managing.
Simultaneously, the present invention comes the transfer management information material with the internal control package, make and the relative minimizing of quantity of hardware resource working storage on the network interface unit so can reduce the complexity and the cost that design on the network interface unit hardware, further reach the usability of industry.
Though the present invention is filled a part description by preferred embodiment and accompanying drawing, and is understood and enforcement according to this by the skill personage, understands the personage who is familiar with one's own profession can be modified in invention described herein after this describes, and obtains effect of the present invention simultaneously.Therefore, above description is to the personage that is familiar with one's own profession skill and Yan Weiyi discloses widely, and its content does not lie in restriction the present invention.
Claims (10)
1. the disposal route of a network management information, it is characterized in that: this method comprises:
Receive a plurality of Datagrams that transmitted on the Ethernet;
Respond those Datagrams to produce a plurality of managerial datas;
Produce an internal control package according to those managerial datas; And
This internal control package is inserted between those Datagrams and pass to a driver, this driver is finished the message exchange between lower floor's network interface unit and the upper level applications, makes upper level applications can obtain those managerial datas.
2. the method for claim 1, it is characterized in that: wherein those managerial datas are by being counted generation with a plurality of MIB counters.
3. the method for claim 1 is characterized in that: wherein comprise can be by the data with poll of counting periodically for those managerial datas.
4. the method for claim 1 is characterized in that: the step of this generation internal control package wherein, and when reaching a threshold value, collect all those managerial datas and be packaged into this internal control package when one of those managerial datas.
5. a controller is recovered several Datagrams in order to pass, and it is characterized in that: this controller comprises:
A plurality of MIB counters are in order to respond those Datagrams to produce a plurality of managerial datas;
Control package generation unit is in order to produce an internal control package according to those managerial datas; And
One direct memory access engine;
Wherein, this controller assigns this internal control package between those Datagrams, and is with direct memory access mode, temporary to a primary memory by this direct memory access (DMA) engine.
6. controller as claimed in claim 5 is characterized in that: more comprise a Rx index working storage, in order to point to an address of this primary memory that the package received will keep in.
7. controller as claimed in claim 6 is characterized in that: more comprise a Rx_IP index working storage, in order to point to an address of this primary memory that this internal control package will keep in.
8. controller as claimed in claim 7 is characterized in that: more comprise a Tx index working storage, in order to point to wait for an address that is sent to this primary memory that next outside package keeps in.
9. controller as claimed in claim 8 is characterized in that: wherein those index working storages are all ring texture.
10. disposal route that is used for the PC network management information, it is characterized in that: this method comprises the following step:
Initialization one network equipment;
This network equipment receives a plurality of Datagrams from an external network;
Respond those Datagrams to produce a plurality of managerial datas;
Produce an internal control package according to those managerial datas; And
This internal control package is inserted between those Datagrams, with direct memory access mode, temporary to a primary memory.
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| CNB02123325XA CN1308864C (en) | 2002-06-18 | 2002-06-18 | Network management information processing method and management information generating controller |
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| CNB02123325XA CN1308864C (en) | 2002-06-18 | 2002-06-18 | Network management information processing method and management information generating controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101197742B (en) * | 2007-12-21 | 2010-04-21 | 深圳市三旺通信技术有限公司 | System and method for transmitting additional data between equipments through Ethernet interface |
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| CN1326280A (en) * | 2000-05-25 | 2001-12-12 | 美国阿尔卡塔尔资源有限合伙公司 | Network node control system and method by extendable representative use |
| WO2002033555A1 (en) * | 2000-10-18 | 2002-04-25 | Sony Corporation | Information processing device and information processing method, maintenance information management system, and recorded medium |
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2002
- 2002-06-18 CN CNB02123325XA patent/CN1308864C/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1326280A (en) * | 2000-05-25 | 2001-12-12 | 美国阿尔卡塔尔资源有限合伙公司 | Network node control system and method by extendable representative use |
| WO2002033555A1 (en) * | 2000-10-18 | 2002-04-25 | Sony Corporation | Information processing device and information processing method, maintenance information management system, and recorded medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101197742B (en) * | 2007-12-21 | 2010-04-21 | 深圳市三旺通信技术有限公司 | System and method for transmitting additional data between equipments through Ethernet interface |
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