CN104753753A - QPI message transmission method and device and computer system - Google Patents
QPI message transmission method and device and computer system Download PDFInfo
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- CN104753753A CN104753753A CN201310755584.9A CN201310755584A CN104753753A CN 104753753 A CN104753753 A CN 104753753A CN 201310755584 A CN201310755584 A CN 201310755584A CN 104753753 A CN104753753 A CN 104753753A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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Abstract
The invention discloses a QPI message transmission method, and belongs to the technical field of interfaces. The method comprises the steps of receiving a QPI message from a first node, wherein the QPI message carries the identification of a second node; acquiring the identification of the second node according to the QPI message; acquiring the medium access control MAC address of the second node according to the identification of the second node; generating an Ethernet message, setting the MAC address of the Ethernet message into the MAC address of the second node and replacing the valid loading part of the Ethernet message into the QPI message; sending the Ethernet message to the second node through Ethernet. According to the method, the QPI message is packaged into the Ethernet message, so as to overcome the shortage that the QPI message can be transmitted in dozens of centimeters; any two nodes connected to the Ethernet can be interconnected without other nodes, and thus the problem in the prior art that two nodes cannot communicate in case of fault in other node can be solved.
Description
Technical field
The present invention relates to interfacing field, particularly a kind of transmission method of QPI message and the transmission equipment of QPI message and computer system.
Background technology
A computer system is made up of multiple component nodes, and these component nodes can comprise CPU(CentralProcessing Unit, central processing unit), internal memory and I/O(Input/Output, input and output) equipment etc.In computer systems, which, component nodes can pass through QPI(QuickPathInterconnect between (follow-up referred to as: node), and express passway is interconnected) message communicates.
Wherein, when a node needs with another node communication, for convenience of explanation, this node is called first node, another node is called Section Point, first node can send QPI message as follows to Section Point, to realize communicating with Section Point, can be: in computing systems, adjacent two nodes in position are directly connected by QPI interface, if first node is adjacent with Section Point position, then first node directly can send QPI message to Section Point by QPI interface, if first node and Section Point position non-conterminous, then first node sends QPI message to Section Point by the path of presetting, this path is separated by other node between first node and Section Point, and be generally through the minimum path of node, such as, to be separated by between first node and Section Point the 3rd node and the 4th node, preset path is through the 3rd node and the 4th node, and this path is through the minimum path of node, QPI message is sent to the 3rd node be adjacent by first node, 3rd node by this QPI message repeating to the 4th node be adjacent, 4th node again by this QPI message repeating to the Section Point be adjacent.
Realizing in process of the present invention, inventor finds that the communication between existing computer module at least exists following problem:
If two node locations are non-conterminous, then the QPI message between this two node needs to be transmitted by preset path, when this path the one malfunctions of process, this two node just cannot communicate.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of transmission method of QPI message and the transmission equipment of QPI message and computer system.Described technical scheme is as follows:
First aspect, provides a kind of computer system, and comprise multiple computer module node, described system also comprises:
Ethernet and at least one transmission equipment, a transmission equipment in corresponding at least one transmission equipment described of each computer module node difference in described multiple computer module node, and described each computer module node is connected on described Ethernet by the transmission equipment of its correspondence; At least one transmission equipment described comprises the first transmission equipment, and described multiple computer module node comprises first node;
Described first transmission equipment, for receiving the interconnected QPI message of express passway that described first node sends, described first node is connected with described first transmission equipment, described QPI message carries the mark of Section Point, and described Section Point is other computer module nodes except described first node; Obtain the mark of described Section Point according to described QPI Receive message, according to the mark of described Section Point, obtain the media access control MAC Address of described Section Point; Generate Ethernet message, the MAC Address of described Ethernet message is set to the MAC Address of described Section Point and effective bearing part of described Ethernet message is replaced with described QPI message; By described Ethernet, described Ethernet message is sent to described Section Point.
In conjunction with first aspect, in the first possible implementation of above-mentioned first aspect,
A transmission equipment in corresponding at least one transmission equipment described of each computer module node difference in described multiple computer module node;
Described first transmission equipment, for the mark according to described Section Point, obtains the media access control MAC Address of described Section Point from the corresponding relation of node identification and MAC Address.
In conjunction with first aspect, in the implementation that the second of above-mentioned first aspect is possible,
The corresponding same transmission equipment of multiple computer module node, and the transmission equipment composition territory that multiple computation module nodes of corresponding same transmission equipment are corresponding with it;
Described first transmission equipment, for the mark according to described Section Point, from node identification, identify in the territory obtaining described Section Point in the territory of node in mark and the corresponding relation of the MAC Address of transmission equipment and the MAC Address of transmission equipment in territory, described Section Point place, address characteristic information is extracted from the MAC Address of the transmission equipment in territory, described Section Point place, described address characteristic information is used for the transmission equipment in territory, Section Point place described in unique identification, by the MAC Address of the described Section Point of mark composition in the address characteristic information of described extraction and the territory of described Section Point.
Second aspect, provide the transmission method of the interconnected QPI message of a kind of express passway, described method comprises:
Receive the QPI message that first node sends, described QPI message carries the mark of Section Point;
Obtain the mark of described Section Point according to described QPI Receive message, and according to the mark of described Section Point, obtain the media access control MAC Address of described Section Point;
Generate Ethernet message, the MAC Address of described Ethernet message is set to the MAC Address of described Section Point and effective bearing part of described Ethernet message is replaced with described QPI message;
By Ethernet, described Ethernet message is sent to described Section Point.
In conjunction with second aspect, in the first possible implementation of above-mentioned second aspect, the described mark according to described Section Point, obtains the media access control MAC Address of described Section Point, comprising:
According to the mark of described Section Point, from the corresponding relation of node identification and MAC Address, obtain the MAC Address of described Section Point.
In conjunction with second aspect, in the implementation that the second of above-mentioned second aspect is possible, the described mark according to described Section Point, obtains the MAC Address of described Section Point, comprising:
According to the mark of described Section Point, identify in the territory obtaining described Section Point in the territory of node identification, node mark and the corresponding relation of the MAC Address of transmission equipment and the MAC Address of transmission equipment in territory, described Section Point place;
From the MAC Address of the transmission equipment in territory, described Section Point place, extract address characteristic information, described address characteristic information is used for transmission equipment described in unique identification;
By the MAC Address of the described Section Point of mark composition in the address characteristic information of described extraction and the territory of described Section Point.
In conjunction with the implementation that the second of second aspect is possible, in the third possible implementation of above-mentioned second aspect, the described mark according to described Section Point, before obtaining the MAC Address of described Section Point, also comprises:
Judge that whether described first node and described Section Point are in same territory, if so, then forward described QPI message to described Section Point, if not, then perform the mark according to described Section Point, obtain the MAC Address operation of described Section Point.
In conjunction with second aspect, in the 4th kind of possible implementation of above-mentioned second aspect, described method also comprises:
Receive Ethernet message, the Ethernet message of described reception carries the mark of the 3rd node;
The mark of QPI message and described 3rd node is extracted from the Ethernet message of described reception;
The QPI message of described extraction be sent to described 3rd node according to the mark of described 3rd node.
The third aspect, provide the transmission equipment of the interconnected QPI message of a kind of express passway, described equipment comprises:
Receiver module, for receiving the QPI message that first node sends, described QPI message carries the mark of Section Point;
Acquisition module, the described QPI Receive message for receiving according to described receiver module obtains the mark of described Section Point, and according to the mark of described Section Point, obtains the media access control MAC Address of described Section Point;
Generation module, for generating Ethernet message, the MAC Address of described Ethernet message being set to the MAC Address of the described Section Point that described acquisition module obtains and effective bearing part of described Ethernet message being replaced with the described QPI message of described receiver module reception;
Sending module, for passing through Ethernet, the Ethernet message generated by described generation module sends to described Section Point.
In conjunction with the third aspect, in the first possible implementation of the above-mentioned third aspect,
Described acquisition module, for the mark according to described Section Point, obtains the MAC Address of described Section Point from the mark of node and the corresponding relation of MAC Address.
In conjunction with the third aspect, in the implementation that the second of the above-mentioned third aspect is possible, described acquisition module comprises:
Acquiring unit, for the mark according to described Section Point, in the territory of the mark of the node stored, node the MAC Address of mark and transmission equipment corresponding relation obtain described Section Point territory in the MAC Address of transmission equipment in mark and territory, described Section Point place;
Extraction unit, extracts address characteristic information in the MAC Address for the transmission equipment from territory, described Section Point place, and described address characteristic information is used for transmission equipment described in unique identification;
Component units, for the MAC Address by the described Section Point of mark composition in the address characteristic information of described extraction and the territory of described Section Point.
In conjunction with the implementation that the second of the third aspect is possible, in the third possible implementation of the above-mentioned third aspect, described equipment also comprises:
Judge module, for judging that whether described first node and described Section Point are in same territory;
Forwarding module, for the result that judges when described judge module as in same territory, then forward described QPI message to described Section Point, if not, then perform the mark according to described Section Point, the MAC Address obtaining described Section Point operates.
In conjunction with the third aspect, in the 4th kind of possible implementation of the above-mentioned third aspect, it is characterized in that,
Described receiver module, also for receiving Ethernet message, the Ethernet message of described reception carries the mark of the 3rd node;
Extraction module, for extracting the mark of QPI message and described 3rd node in the Ethernet message that receives from described receiver module;
Described sending module, the mark also for described 3rd node extracted according to described extraction module sends the QPI message of described extraction module extraction to described 3rd node.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
Ethernet message can transmit between any two nodes in same Ethernet, therefore QPI message is packaged into Ethernet message and can overcomes the defect that QPI message can only transmit tens centimetres, can not realize interconnected between the node of any two access network based on ethernet via other nodes, this addresses the problem in prior art when other one malfunctions, the problem that this two nodes cannot communicate.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the mutual contact mode schematic diagram in prior art between multiple CPU;
Fig. 2 is a kind of computer system schematic diagram that the embodiment of the present invention 1 provides;
Fig. 3 is a kind of computer system schematic diagram that the embodiment of the present invention 1 provides;
Fig. 4 is a kind of computer system schematic diagram that the embodiment of the present invention 1 provides;
Fig. 5 is the transmission method flow chart of a kind of QPI message that the embodiment of the present invention one provides;
Fig. 6 is the transmission method flow chart of a kind of QPI message that the embodiment of the present invention two provides;
Fig. 7 is the structural representation of the QPI message that the embodiment of the present invention two provides;
Fig. 8 is the structural representation of a kind of QPI message transmissions equipment that the embodiment of the present invention three provides;
Fig. 9 is the structural representation of a kind of QPI message transmissions equipment that the embodiment of the present invention four provides.
Embodiment
Various exemplary embodiment of the present invention, characteristic sum aspect is described in detail below with reference to accompanying drawing.The same or analogous element of Reference numeral presentation function identical in accompanying drawing.Although the various aspects of embodiment shown in the drawings, unless otherwise indicated, accompanying drawing need not be drawn in proportion.
Word " exemplary " special here means " as example, embodiment or illustrative ".Here need not be interpreted as being better than or being better than other embodiment as any embodiment illustrated by " exemplary ".
In addition, in order to better the present invention is described, in embodiment hereafter, give numerous details.It will be appreciated by those skilled in the art that do not have some detail, the present invention can implement equally.In other example, the method known for those skilled in the art, means, element and circuit are not described in detail, so that highlight purport of the present invention.
The transmission range of QPI is shorter, usually the distance of tens centimetres can only be transmitted, therefore when the node that computer system comprises is more or distribution distance is far away, between two nodes apart from each other cannot directly interconnected and have to pass through the path arranged by both in advance the node transfer of process.For Fig. 1, CPU0 to CPU7 is the node of composition computer system, directly interconnected owing to cannot realize because of distant between CPU0 and CPU2, in advance for arranging path between CPU0 and CPU2, this path is through node cpu 1, and therefore CPU0 needs through CPU1 for access CPU2.
For avoiding the QPI message between two nodes apart from each other to have to pass through other nodes, the present invention proposes, and QPI message is encapsulated as Ethernet message, then transmits through Ethernet.Ethernet technology is the LAN Monitoring System technology that current application is the most general, has very ripe exchanging policy and switching equipment.Ethernet message can transmit between any two nodes in same Ethernet, as long as any two nodes that therefore computer system comprises access same Ethernet, the transmission of information so between the two is not just subject to the restriction of space and distance.
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
See Fig. 2, embodiments provide a kind of computer system.
This computer system comprises multiple computer module node, Ethernet and at least one transmission equipment; A transmission equipment in each computer module node difference at least one transmission equipment corresponding in multiple computation module node, and each computer module node is connected on Ethernet by the transmission equipment of its correspondence; At least one transmission equipment comprises the first transmission equipment, and multiple computer module node comprises first node;
First transmission equipment, for receiving the QPI message that first node sends, first node is connected with the first transmission equipment, and this QPI message carries the mark of Section Point, and Section Point is other computer module nodes except first node; Obtain the mark of Section Point according to this QPI Receive message, according to the mark of Section Point, obtain the MAC(Medium/MediaAccess Control of Section Point, medium access control) address; Generate Ethernet message, the MAC Address of this Ethernet message is set to the MAC Address of Section Point and effective bearing part of this Ethernet message is replaced with this QPI message; By Ethernet, this Ethernet message is sent to Section Point.
Wherein, each computer module node is a corresponding transmission equipment respectively, and correspondingly, the first transmission equipment, for the mark according to Section Point, obtains the MAC Address of Section Point from the corresponding relation of node identification and MAC Address.The corresponding relation of node identification and MAC Address is set in advance in the first transmission equipment.Such as, see Fig. 2, computer system comprises computer module node and is respectively node 1, node 2 and node 3 etc., transmission equipment 1, transmission equipment 2 and transmission equipment 3 etc. and Ethernet; Node 1, node 2 and node 3 respectively with transmission equipment 1, transmission equipment 2 and transmission equipment 3 one_to_one corresponding, node 1, node 2 and node 3 are connected on Ethernet respectively by each self-corresponding transmission equipment 1, transmission equipment 2 and transmission equipment 3.
Suppose, node 1 needs transmission QPI message to node 3, and this QPI message is sent to the transmission equipment 1 of its correspondence by node 1, and this QPI message carries the mark of node 3.Transmission equipment 1 obtains the MAC Address of node 3 from the corresponding relation of the node identification stored and MAC Address according to the mark of node 3, generate Ethernet message, the MAC Address of this Ethernet message be set to the MAC Address of node 3 and effective bearing part of this Ethernet message is replaced with this QPI message, then by Ethernet, this Ethernet message being sent to node 3.The transmission equipment of node 3 correspondence receives this Ethernet message, from this Ethernet message, extract QPI message, and by this QPI message repeating to node 3.
Wherein, multiple computation module node also can corresponding same transmission equipment, and the plurality of computer module node and this transmission equipment form a territory; Correspondingly, first transmission equipment, for the mark according to Section Point, identify in the territory obtaining Section Point in the territory of node identification, node mark and the corresponding relation of the MAC Address of transmission equipment and the MAC Address of transmission equipment in territory, Section Point place, address characteristic information is extracted from the MAC Address of the transmission equipment in territory, Section Point place, this address characteristic information is used for the transmission equipment in territory, unique identification Section Point place, by the MAC Address of mark composition Section Point in the address characteristic information of extraction and the territory of Section Point.
Identify, for identifying himself in the corresponding territory of each node in territory.Such as, see Fig. 3, node 4 and the corresponding transmission equipment 4 of node 5, node 4, node 5 and transmission equipment 4 form a territory, are identified at identification nodes 4 in this territory in the territory of node 4 correspondence, are identified at identification nodes 5 in this territory in the territory of node 5 correspondence.
Suppose, node 1 needs transmission QPI message to node 4, and this QPI message is sent to the transmission equipment 1 of its correspondence by node 1, and this QPI message carries the mark of node 4.Transmission equipment 1 is according to the mark of node 4, from node identification, identify in the territory obtaining node 4 in the territory of node in mark and the corresponding relation of the MAC Address of transmission equipment and the MAC Address of transmission equipment 4 in territory, node 4 place, address characteristic information is extracted from the MAC Address of the transmission equipment 4 in territory, node 4 place, this address characteristic information is used for the transmission equipment 4 in territory, unique identification node 4 place, by the MAC Address of identified group node 4 in the address characteristic information of extraction and the territory of node 4, generate Ethernet message, the MAC Address of this Ethernet message is set to the MAC Address of node 4 and effective bearing part of this Ethernet message is replaced with this QPI message, by Ethernet, this Ethernet message is sent to the transmission equipment 4 in territory, node 4 place again.Transmission equipment 4 receives this Ethernet message, identifies, identify this QPI message repeating to node 4 in the territory according to node 4 in the territory of extracting QPI message and node 4 from this Ethernet message.
See Fig. 4, two nodes adjacent for position also can directly be connected.Such as, node 1 is adjacent with node 2 position, so node 1 can directly be connected with node 2, when node 1 needs to send QOI message to node 2, node 1 directly can send this QPI message to node 2.
Embodiment two
In any one computer system shown in embodiment one, present embodiments provide a kind of transmission method of QPI message, see Fig. 5, the method flow that the present embodiment provides is specific as follows:
S101, receive the QPI message that first node sends, this QPI message carries the mark of Section Point.
Computer system is made up of polytype node, and between node, the message of access is mutually QPI message, and the node sending QPI message is called first node by the embodiment of the present invention, and the node receiving QPI message is called Section Point.
The information such as Section Point mark, first node mark and message text are at least comprised in QPI message.The mark of Section Point can be default node serial number or title etc.
S102, obtains the mark of Section Point according to this QPI Receive message, and according to the mark of Section Point, obtains the MAC Address of Section Point.
The object of the invention is by QPI message by Ethernet message transmissions, therefore need the MAC Address obtaining Section Point use.
Particularly, according to the mark of Section Point, the MAC Address of Section Point can be obtained from the mark of the node stored and the corresponding relation of MAC Address.
The mark of node and the MAC Address of this node use is stored in this corresponding relation.
S103, generates Ethernet message, the MAC Address of this Ethernet message is set to the MAC Address of Section Point and effective bearing part of this Ethernet message is replaced with this QPI message.
S104, by Ethernet, sends to Section Point by this Ethernet message.
This Ethernet message can be mail to destination node according to the MAC Address in this Ethernet message by Ethernet.
Ethernet message can transmit between any two nodes in same Ethernet, therefore QPI message is packaged into Ethernet message and can overcomes the defect that QPI message can only transmit tens centimetres, can not realize interconnected between the node of any two access network based on ethernet via other nodes, this addresses the problem in prior art when other one malfunctions, the problem that this two nodes cannot communicate.
Further, by by QPI message whole installation being effective carrying of Ethernet message, under can be implemented in the prerequisite of not resolving QPI message text content, QPI message is encapsulated as Ethernet message, avoid the troublesome operation of resolving QPI message text content, reduce the complexity that the present invention realizes, also provide convenience for Ethernet message is converted to QPI message by follow-up recipients simultaneously.
Embodiment three
In any one computer system shown in embodiment one, present embodiments provide a kind of transmission method of QPI message.
Wherein, in embodiments of the present invention, first node needs transmission QPI message to Section Point, first node is arbitrary computer module node in computer system, Section Point be in computer system except first node other arbitrary computer module nodes, the transmission equipment that first node is corresponding is the first transmission equipment, the transmission equipment that Section Point is corresponding is the second transmission equipment, and the first node method that can be provided by the embodiment of the present invention by this QPI message transmissions to Section Point, see Fig. 6, the method flow that the embodiment of the present invention provides is specific as follows:
S201, the first transmission equipment that first node is corresponding receives the QPI message that first node sends, and this QPI message carries the mark of Section Point.
In the computer system shown in Fig. 4, namely two nodes that position is adjacent are connected, first node is before transmission QPI message, whether position is adjacent also to judge itself and Section Point, if, then send this QPI message to Section Point, if not, send this QPI message to the first transmission equipment of its correspondence.The adjacent node that first node is adjacent with its position in advance sets up QPI interface, so store the mark of its adjacent node in first node, so first node directly can judge itself and Section Point, whether position is adjacent.
S202, the first transmission equipment judges that whether first node and Section Point are in same territory, if so, then forwards this QPI message to Section Point, if not, then performs step S203.
If the first transmission equipment and multiple node form a territory, then the plurality of node is connected with the first transmission equipment, and stores the mark of each node in the plurality of node in the first transmission equipment.So the first transmission equipment judges whether there is the mark of first node and the mark of Section Point in each node identification that its territory, place comprises, if all existed, then can judge that first node and Section Point are in same territory, otherwise, judge first node and Section Point not in same territory.
S203, the first transmission equipment, according to the mark of Section Point, obtains the MAC Address of Section Point.
This step by following (1) to (5), can realize, comprising:
(1): according to the mark of Section Point, determine whether Section Point forms a territory with other nodes, if not, perform step (2), if so, perform step (3);
Particularly, according to the mark of Section Point, search the node listing stored, this node listing comprises the mark of the node in all composition territories in computer system, if find out the mark not comprising Section Point in node listing, then determine that Section Point does not form a territory with other nodes, if find out the mark that node listing comprises Section Point, then determine that Section Point and other nodes form a territory.
(2): according to the mark of Section Point, obtain from the corresponding relation of the node identification stored and MAC Address Section Point MAC Address, terminate to return;
The corresponding relation of prior memory node mark and MAC Address in transmission equipment, such as, join the corresponding relation of the node identification that is shown in Table 1 and MAC Address, and store in the corresponding relation of node identification shown in table 1 and MAC Address and allly in computer system form node identification and the MAC Address of the node in territory less than with other nodes.
Table 1
| Node identification | MAC Address |
| ID1 | MAC1 |
| ID2 | MAC2 |
| …… | …… |
(3): according to the mark of Section Point, in the territory of the mark of the node stored, node the MAC Address of mark and transmission equipment corresponding relation obtain Section Point territory in the MAC Address of transmission equipment in mark and territory, Section Point place, wherein, territory, Section Point place comprises multiple node and a transmission equipment, multiple node is connected with transmission equipment respectively, this transmission equipment is used for QPI message being converted to Ethernet message or Ethernet message being converted to QPI message, and in the territory of Section Point, mark is used for identifying Section Point in this domain.
The corresponding relation with the MAC Address of transmission equipment is identified in prior memory node mark, territory in transmission equipment, such as, the corresponding relation of mark and MAC Address in the node identification that ginseng is shown in Table 2, territory, and in the territory of node identification shown in table 2, node the MAC Address of mark and transmission equipment corresponding relation in store in the node identification of the node in all composition territories in computer system and territory and identify, and the MAC Address of transmission equipment corresponding to this node.
Table 2
| Node identification | Identify in the territory of node | The MAC Address of transmission equipment |
| ID1 | DomainID1 | MAC1 |
| ID2 | DomainID2 | MAC2 |
| …… | …… | …… |
If Section Point and other nodes share a transmission equipment, then Section Point and other nodes form a territory.In the scope in this territory, transmission equipment can identify corresponding node by mark in territory.
(4): from the MAC Address of the transmission equipment in territory, Section Point place, extract address characteristic information.
Address characteristic information is several the bit compositions preset in the MAC Address of transmission equipment, such as the MAC Address of 48 of binary form, can preset thereafter that 38 bits are as address characteristic information, this address characteristic information is for identifying this transmission equipment.
(5): by the MAC Address of mark composition Section Point in the address characteristic information of extraction and the territory of Section Point, return end.
Identify specifically string number in the territory of Section Point, it and address characteristic information are spliced into a new MAC Address.Such as the MAC Address of binary system 48, in territory, mark can be the string number of 10 bit compositions, and it is spliced into a new MAC Address of 48 together with 38 bit address characteristic informations of MAC Address.
New MAC Address contains the address characteristic information of mark and former MAC Address in territory, therefore for Ethernet, he can make Ethernet correctly find the transmission equipment of Section Point, and for transmission equipment, he can make transmission equipment find rapidly Section Point in territory.
S204, the first transmission equipment generates Ethernet message, the MAC Address of this Ethernet message is set to the MAC Address of Section Point and effective bearing part of this Ethernet message is replaced with this QPI message.
Fig. 7 shows the data structure example of Ethernet message, and wherein field DA represents destination address, therefore the MAC Address of Section Point is copied to DA position and is the MAC Address MAC Address of Ethernet message being set to Section Point.Field Payload representative effectively carrying, i.e. the text of Ethernet message.QPI message entirety is copied to Payload position be effective bearing part of Ethernet message is replaced with this QPI message.
In addition, SA represents source address, and Type/Len representative effectively carries the length of (Payload).In another embodiment expanded by the present embodiment, source address (sa) source MAC being set to initial Ethernet message can also be comprised, the length of QPI message entirety is set to the length (Type/Len) of effective carrying (Payload).
S205, the first transmission equipment, by Ethernet, sends this Ethernet message.
Ethernet according to the MAC Address of the Section Point in this Ethernet message, by this Ethernet message routing to the second transmission equipment corresponding to Section Point.
S206: the second transmission equipment that Section Point is corresponding receives this Ethernet message, obtains QPI message from this Ethernet message, and this QPI message is sent to Section Point.
Particularly, if Section Point does not form a territory with other nodes, then the second transmission equipment obtains QPI message from this Ethernet message, and directly this QPI message is sent to Section Point; If Section Point and other nodes form a territory, then the second transmission equipment obtains QPI message from this Ethernet message, and identify in the territory of extracting Section Point from this Ethernet message, identify according in the territory of Section Point, this QPI message is sent to Section Point.
The method that the present embodiment provides, form the situation in a territory for Section Point and other nodes, the MAC Address in the Ethernet message of encapsulation is made up of address characteristic information two parts of the MAC Address of mark and transmission equipment in the Section Point territory of correspondence in essence.Ethernet message can find described transmission equipment by the address characteristic information of the MAC Address of described transmission equipment, then transmission equipment can directly find corresponding Section Point by mark in the Section Point territory in described MAC Address and send QPI message to it after receiving described Ethernet message, avoid and first must extract Section Point mark finds Section Point again operation by described Section Point mark from QPI message, reduce the complexity that the present invention program realizes.
Embodiment four
Present embodiments provide a kind of transmission equipment of QPI message, see Fig. 8, the equipment that the present embodiment provides specifically comprises:
Receiver module 301, for receiving the QPI message that first node sends, described QPI message carries the mark of Section Point.
Acquisition module 302, for the mark of Section Point described in the described QPI Receive message that receives according to described receiver module 501, and according to the mark of Section Point, obtains the MAC Address of described Section Point;
Generation module 303, for generating Ethernet message, the MAC Address of described Ethernet message being set to the MAC Address of the described Section Point that described acquisition module 302 obtains and effective bearing part of described Ethernet message being replaced with the described QPI message that described receiver module 301 receives;
Sending module 304, for by Ethernet, sends to described Section Point by the Ethernet message that described generation module 503 generates.
Wherein, first node is before transmission QPI message is to the transmission equipment of the embodiment of the present invention, obtain the position relationship between itself and Section Point, if this position relationship is position neighbouring relations, then forward this QPI message to Section Point, if this position relationship is not position neighbouring relations, then send QPI message to the transmission equipment of the embodiment of the present invention.
In computer systems, which, can be connected by QPI interface between two nodes that position is adjacent, so when the position relationship between first node and Section Point is position neighbouring relations, first node directly can send QPI message to Section Point, and does not need to be transmitted to Section Point by the transmission equipment of the embodiment of the present invention.
Further, described acquisition module 302 specifically can also be used for the mark according to described Section Point, obtains the MAC Address of described Section Point from the mark of node and the corresponding relation of MAC Address.
The corresponding relation of prior memory node mark and MAC Address in transmission equipment, and in the corresponding relation of node identification and MAC Address, store all node identification and MAC Address not forming the node in territory with other nodes in computer system.
Further, described acquisition module 302 comprises:
Acquiring unit, for the mark according to described Section Point, in the territory of the mark of the node stored, node the MAC Address of mark and transmission equipment corresponding relation obtain described Section Point territory in the MAC Address of transmission equipment in mark and territory, described Section Point place.
Wherein, territory, described Section Point place comprises multiple node and a transmission equipment, and described multiple node is connected with described transmission equipment respectively, and in the territory of described Section Point, mark is used for identifying described Section Point in described territory.
The corresponding relation with the MAC Address of transmission equipment is identified in prior memory node mark, territory in transmission equipment, and in the territory of node identification, node the MAC Address of mark and transmission equipment corresponding relation in store in the node identification of the node in all composition territories in computer system and territory and identify, and the MAC Address of transmission equipment corresponding to this node.
Extraction unit, extracts address characteristic information in the MAC Address for the transmission equipment from territory, described Section Point place, and described address characteristic information is for identifying the transmission equipment in territory, described Section Point place;
Component units, for the MAC Address by the described Section Point of mark composition in the address characteristic information of described extraction and the territory of described Section Point.
In another expansion embodiment of the present embodiment, described equipment also comprises:
Judge module, for judging that whether described first node and described Section Point are in same territory, if, then forward described QPI message to described Section Point, if not, then perform the mark according to described Section Point, obtain the MAC Address operation of described Section Point.
If transmission equipment and multiple node can form a territory, then the plurality of node is connected with transmission equipment, and stores the mark of each node in the plurality of node in transmission equipment.So the judge module that transmission equipment comprises judges whether there is the mark of first node and the mark of Section Point in each node identification that its territory, place comprises, if all existed, then can judge that first node and Section Point are in same territory, otherwise, judge first node and Section Point not in same territory.
In another expansion embodiment of the present embodiment, described receiver module 301, also for receiving Ethernet message, the Ethernet message of described reception carries the mark of the 3rd node;
Extraction module 306, for extracting QPI message in the Ethernet message from described receiver module 301 reception;
Described sending module 304, the mark also for the 3rd node extracted according to described extraction module 306 sends the QPI message of described extraction to described 3rd node.
Further, described receiver module 301, specifically comprises:
QPI link layer unit, for the link layer transfer of QPI message;
QPI physical layer element, for the physical layer transmission of QPI message.
Further, described sending module 304, specifically comprises:
Ethernet link layer unit, for the link layer transfer of Ethernet message;
Ethernet physical layer unit, for the physical layer transmission of Ethernet message.
Especially, in another embodiment of the present embodiment expansion, the transmission equipment of described QPI message comprises: QPI PHY(QPI physical layer element) for realizing the physical layer function of QPI; QPI LINK(QPI link layer unit) for realizing the link layer functionality of QPI; ETH MAC(ethernet link layer unit) for realizing the link layer functionality of Ethernet; ETH PHY(ethernet physical layer unit) for realizing the physical layer function of Ethernet; Pack Engine(generation module 303) organize packet function for realizing, QPI message is packaged into Ethernet message; Unpack Engine(acquisition module 303) for realizing unpacking function, from Ethernet message, extract QPI message.The transmission equipment workflow of described QPI message comprises: QPI turns Ethernet and Ethernet turns QPI.Wherein, QPI turns Ethernet and comprises:
QPI PHY receives from the QPI message of CPU, and is converted into QPI LINK identifiable design data format and then sends;
QPI LINK receives the QPI message sent through QPI PHY, and is converted into the discernible data format of Pack Engine and then sends;
Pack Engine receives the QPI message sent through QPI Link, and is encapsulated as Ethernet message and then sends;
ETH MAC receives the Ethernet message sent through Pack Engine, and is converted into the discernible data format of ETH PHY and then sends;
ETH PHY receives the Ethernet message sent through ETH MAC, is then mail to target ethernet node.
Ethernet turns QPI and comprises:
ETH PHY receives from the Ethernet message of far-end, and is converted into the discernible data format of ETH MAC and then sends;
ETH MAC receives the Ethernet message sent through ETH PHY, and is converted into the discernible data format of UnpackEngine, then sends;
Unpack Engine receives the too network packet sent through ETH MAC, and then sends from wherein disassembling out QPI message;
QPI Link receives the QPI message sent through Unpack Engine, and is converted into the discernible data format of QPI PHY and then sends;
QPI PHY receives the QPI message sent through QPI LINK, is then issued corresponding CPU.
The transmission equipment of the QPI message that the present embodiment provides possesses the function sending and receive QPI message simultaneously, and in another expansion embodiment of the present embodiment, the transmission equipment of described QPI message only can possess the function sending QPI message.
In another expansion embodiment of the present embodiment, the transmission equipment of described QPI message only can also possess the function receiving QPI message.
Embodiment 5
Present embodiments provide a kind of transmission equipment of QPI message, see Fig. 9, the equipment that the present embodiment provides specifically comprises:
Receiver 401, for receiving the QPI message that first node sends, described QPI message carries the mark of Section Point;
Processor 402, the described QPI Receive message for receiving according to described receiver 401 obtains the mark of described Section Point, and according to the mark of described Section Point, obtains the media access control MAC Address of described Section Point; Generate Ethernet message, the MAC Address of described Ethernet message be set to the MAC Address of described Section Point and effective bearing part of described Ethernet message replaced with the described QPI message that described receiver 401 receives;
Transmitter 403, for by Ethernet, sends to described Section Point by the Ethernet message that described processor 402 generates.
Described processor 402, according to the mark of described Section Point, obtains the mode of the media access control MAC Address of described Section Point, comprising:
According to the mark of described Section Point, from the mark of node and the corresponding relation of MAC Address, obtain the MAC Address of described Section Point; Or,
According to the mark of described Section Point, in the territory of the mark of the node stored, node the MAC Address of mark and transmission equipment corresponding relation obtain described Section Point territory in the MAC Address of transmission equipment in mark and territory, described Section Point place; From the MAC Address of the transmission equipment in territory, described Section Point place, extract address characteristic information, described address characteristic information is used for transmission equipment described in unique identification; By the MAC Address of the described Section Point of mark composition in the address characteristic information of described extraction and the territory of described Section Point.
Described processor 402, also for judging that whether described first node and described Section Point are in same territory, if not, then perform the mark according to described Section Point, obtains the MAC Address operation of described Section Point.
Described transmitter 403, also for the result that judges when described processor 402 as in same territory, then forward described QPI message to described Section Point;
Described receiver 401, also for receiving Ethernet message, the Ethernet message of described reception carries the mark of the 3rd node;
Described processor 402, also for extracting the mark of QPI message and described 3rd node in the Ethernet message from described receiver 401 reception;
Described transmitter 403, the mark also for described 3rd node extracted according to described processor 402 sends the QPI message of described processor 402 extraction to described 3rd node.
Those skilled in the art are to be understood that, when implementing the transmission equipment of QPI message provided by the present invention, the transmission equipment of this QPI message can only include reception or the transmission of QPI message, or the reception of Ethernet message or transmission, or more the combination in any of functional module, the present invention is not construed as limiting this.
It should be noted that: above-described embodiment provides the transmission equipment of QPI message when realizing QPI message and turning Ethernet message, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by equipment is divided into different functional modules, to complete all or part of function described above.In addition, the bridge sheet that above-described embodiment provides and the sending, receiving method embodiment of QPI message belong to same design, and its specific implementation process refers to embodiment of the method, repeats no more here.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
All or part of step in the embodiment of the present invention, can utilize software simulating, and corresponding software program can be stored in the storage medium that can read, as CD or hard disk etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a computer system, comprise multiple computer module node, it is characterized in that, described system also comprises:
Ethernet and at least one transmission equipment, a transmission equipment in corresponding at least one transmission equipment described of each computer module node difference in described multiple computer module node, and described each computer module node is connected on described Ethernet by the transmission equipment of its correspondence; At least one transmission equipment described comprises the first transmission equipment, and described multiple computer module node comprises first node;
Described first transmission equipment, for receiving the interconnected QPI message of express passway that described first node sends, described first node is connected with described first transmission equipment, described QPI message carries the mark of Section Point, and described Section Point is other computer module nodes except described first node; Obtain the mark of described Section Point according to described QPI Receive message, according to the mark of described Section Point, obtain the media access control MAC Address of described Section Point; Generate Ethernet message, the MAC Address of described Ethernet message is set to the MAC Address of described Section Point and effective bearing part of described Ethernet message is replaced with described QPI message; By described Ethernet, described Ethernet message is sent to described Section Point.
2. computer system as claimed in claim 1, is characterized in that,
A transmission equipment in corresponding at least one transmission equipment described of each computer module node difference in described multiple computer module node;
Described first transmission equipment, for the mark according to described Section Point, obtains the media access control MAC Address of described Section Point from the corresponding relation of node identification and MAC Address.
3. computer system as claimed in claim 1, is characterized in that,
The corresponding same transmission equipment of multiple computer module node, and the transmission equipment composition territory that multiple computation module nodes of corresponding same transmission equipment are corresponding with it;
Described first transmission equipment, for the mark according to described Section Point, from node identification, identify in the territory obtaining described Section Point in the territory of node in mark and the corresponding relation of the MAC Address of transmission equipment and the MAC Address of transmission equipment in territory, described Section Point place, address characteristic information is extracted from the MAC Address of the transmission equipment in territory, described Section Point place, described address characteristic information is used for the transmission equipment in territory, Section Point place described in unique identification, by the MAC Address of the described Section Point of mark composition in the address characteristic information of described extraction and the territory of described Section Point.
4. a transmission method for the interconnected QPI message of express passway, it is characterized in that, described method comprises:
Receive the QPI message that first node sends, described QPI message carries the mark of Section Point;
Obtain the mark of described Section Point according to described QPI Receive message, and according to the mark of described Section Point, obtain the media access control MAC Address of described Section Point;
Generate Ethernet message, the MAC Address of described Ethernet message is set to the MAC Address of described Section Point and effective bearing part of described Ethernet message is replaced with described QPI message;
By Ethernet, described Ethernet message is sent to described Section Point.
5. method as claimed in claim 4, is characterized in that the described mark according to described Section Point obtains the media access control MAC Address of described Section Point, comprising:
According to the mark of described Section Point, from the corresponding relation of node identification and MAC Address, obtain the MAC Address of described Section Point.
6. method as claimed in claim 4, it is characterized in that, the described mark according to described Section Point, obtains the MAC Address of described Section Point, comprising:
According to the mark of described Section Point, identify in the territory obtaining described Section Point in the territory of node identification, node mark and the corresponding relation of the MAC Address of transmission equipment and the MAC Address of transmission equipment in territory, described Section Point place;
From the MAC Address of the transmission equipment in territory, described Section Point place, extract address characteristic information, described address characteristic information is used for transmission equipment described in unique identification;
By the MAC Address of the described Section Point of mark composition in the address characteristic information of described extraction and the territory of described Section Point.
7. method as claimed in claim 6, it is characterized in that, the described mark according to described Section Point, before obtaining the MAC Address of described Section Point, also comprises:
Judge that whether described first node and described Section Point are in same territory, if so, then forward described QPI message to described Section Point, if not, then perform the mark according to described Section Point, obtain the MAC Address operation of described Section Point.
8. the method as described in any one of claim 4 to 7 claim, is characterized in that, described method also comprises:
Receive Ethernet message, the Ethernet message of described reception carries the mark of the 3rd node;
The mark of QPI message and described 3rd node is extracted from the Ethernet message of described reception;
The QPI message of described extraction be sent to described 3rd node according to the mark of described 3rd node.
9. a transmission equipment for the interconnected QPI message of express passway, it is characterized in that, described equipment comprises:
Receiver module, for receiving the QPI message that first node sends, described QPI message carries the mark of Section Point;
Acquisition module, the described QPI Receive message for receiving according to described receiver module obtains the mark of described Section Point, and according to the mark of described Section Point, obtains the media access control MAC Address of described Section Point;
Generation module, for generating Ethernet message, the MAC Address of described Ethernet message being set to the MAC Address of the described Section Point that described acquisition module obtains and effective bearing part of described Ethernet message being replaced with the described QPI message of described receiver module reception;
Sending module, for passing through Ethernet, the Ethernet message generated by described generation module sends to described Section Point.
10. equipment as claimed in claim 9, is characterized in that,
Described acquisition module, for the mark according to described Section Point, obtains the MAC Address of described Section Point from the mark of node and the corresponding relation of MAC Address.
11. equipment as claimed in claim 9, it is characterized in that, described acquisition module comprises:
Acquiring unit, for the mark according to described Section Point, in the territory of the mark of the node stored, node the MAC Address of mark and transmission equipment corresponding relation obtain described Section Point territory in the MAC Address of transmission equipment in mark and territory, described Section Point place;
Extraction unit, extracts address characteristic information in the MAC Address for the transmission equipment from territory, described Section Point place, and described address characteristic information is used for transmission equipment described in unique identification;
Component units, for the MAC Address by the described Section Point of mark composition in the address characteristic information of described extraction and the territory of described Section Point.
12. equipment as claimed in claim 11, it is characterized in that, described equipment also comprises:
Judge module, for judging that whether described first node and described Section Point are in same territory;
Forwarding module, for the result that judges when described judge module as in same territory, then forward described QPI message to described Section Point, if not, then perform the mark according to described Section Point, the MAC Address obtaining described Section Point operates.
13. equipment as described in any one of claim 9 to 12 claim, is characterized in that,
Described receiver module, also for receiving Ethernet message, the Ethernet message of described reception carries the mark of the 3rd node;
Extraction module, for extracting the mark of QPI message and described 3rd node in the Ethernet message that receives from described receiver module;
Described sending module, the mark also for described 3rd node extracted according to described extraction module sends the QPI message of described extraction module extraction to described 3rd node.
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| CN201310755584.9A CN104753753B (en) | 2013-12-31 | 2013-12-31 | A kind of transmission method, equipment and the computer system of QPI message |
| PCT/CN2014/094485 WO2015101187A1 (en) | 2013-12-31 | 2014-12-22 | Qpi packet transmission method, device and computer system |
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| CN201310755584.9A CN104753753B (en) | 2013-12-31 | 2013-12-31 | A kind of transmission method, equipment and the computer system of QPI message |
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| WO2015101187A1 (en) | 2015-07-09 |
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