CN108011842A - A kind of Interlaken cuts bag and dispatching method and device - Google Patents
A kind of Interlaken cuts bag and dispatching method and device Download PDFInfo
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- CN108011842A CN108011842A CN201610933585.1A CN201610933585A CN108011842A CN 108011842 A CN108011842 A CN 108011842A CN 201610933585 A CN201610933585 A CN 201610933585A CN 108011842 A CN108011842 A CN 108011842A
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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
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
- H04L12/4625—Single bridge functionality, e.g. connection of two networks over a single bridge
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/50—Queue scheduling
- H04L47/62—Queue scheduling characterised by scheduling criteria
- H04L47/622—Queue service order
- H04L47/6225—Fixed service order, e.g. Round Robin
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
- H04L49/9057—Arrangements for supporting packet reassembly or resequencing
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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]
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Abstract
The embodiment of the invention discloses a kind of Interlaken to cut bag and dispatching method and device, and this method includes：The data packet sent by least one port in upstream is received, and the corresponding data packet of each upstream port is carried out cutting bag processing respectively, obtains the corresponding slice of data of each upstream port；The corresponding interface of each upstream port is obtained from default Interlaken interface groups；Wherein, the Interlaken interface groups include at least two Interlaken interfaces；Each corresponding slice of data of upstream port is dispatched to the corresponding Interlaken interfaces of each upstream port；Each corresponding slice of data of upstream port is transmitted by each corresponding Interlaken interfaces of upstream port.
Description
Technical field
The present invention relates to the integrated circuit fields of Interlaken scheduling, more particularly to a kind of Interlaken to cut bag and tune
Spend method and device.
Background technology
With the release of the serializer/de-serializers (SERDES, Serializer/Deserializer) of 56Gbps, big number
According to the data transfer of, multiport, and the extensive use of the SERDES of 28Gbps and the flexibility of Interlaken interfaces and easily
With property, Interlaken interfaces are expedited the emergence of and have been widely used in backboard.And designed Interlaken connects in the prior art
Mouth, which is limited to data bit width maximum, can only transmit 200G each seconds to the data of 300G bits, so as to can not meet 400Gbps very
To the interface transmission of the 600Gbps of higher.
The content of the invention
In order to solve the above technical problems, an embodiment of the present invention is intended to provide a kind of Interlaken cut bag and dispatching method and
Device, it is intended to original Interlaken Interface Expandings are multiplexed with multiple Interlaken interfaces, and by least one end in upstream
The data packet that mouth is sent is dispatched to the corresponding Interlaken interfaces of each upstream port respectively, so as to improve the speed of data transfer
Rate.
The technical proposal of the invention is realized in this way：
In a first aspect, an embodiment of the present invention provides a kind of Interlaken to cut bag and dispatching method, the described method includes：
Receive the data packet sent by least one port in upstream, and respectively to the corresponding data packet of each upstream port into
Row cuts bag processing, obtains the corresponding slice of data of each upstream port；
The corresponding interface of each upstream port is obtained from default Interlaken interface groups；Wherein, it is described
Interlaken interface groups include at least two Interlaken interfaces；
It is corresponding that each corresponding slice of data of upstream port is dispatched to each upstream port
Interlaken interfaces；
Will each corresponding section of upstream port by each corresponding Interlaken interfaces of upstream port
Data are transmitted.
It is described to receive the data packet sent by least one port in upstream in such scheme, and respectively to each upstream
The corresponding data packet in port carries out cutting bag processing, obtains the corresponding slice of data of each upstream port, specifically includes：
The data packet sent by least one port in upstream is received, and obtains the corresponding data packet of each upstream port respectively
Bag description information；Wherein, the bag description information includes packet header, bag tail and packet length information；
Obtain the port-mark of current port to be dispatched according to default polling dispatching table, and currently wait to dispatch according to described
Data packet to be dispatched corresponding to the port-mark of port to be dispatched and the number to be dispatched described in the port-mark acquisition of port
According to the bag description information of bag；
According to the default bag description information for cutting package informatin and the data packet to be dispatched to the current port to be dispatched
Corresponding data packet to be dispatched carries out cutting bag processing, obtains the corresponding slice of data in the port currently to be dispatched；Wherein, institute
State and cut package informatin and include Maximum Burst Size Burstmax, minimal burstiness length Burstmin, plain edition or enhanced scheduling mould
The parameter value of formula；
The information of the polling dispatching table is updated, and next port to be dispatched is obtained according to the polling dispatching table after renewal
Port-mark.
In such scheme, port-mark and the port-mark pair of the default polling dispatching table by upstream port
The scheduling indicated value composition answered, for obtaining the port-mark of current port to be dispatched.
In such scheme, the port-mark that current port to be dispatched is obtained according to default polling dispatching table, tool
Body includes：
Obtain what a line was made of scheduling indicated value from default polling dispatching table according to default first poll rule
Dispatch indicator sequence；Wherein, often row scheduling indicator sequence has all corresponded to a line port-mark sequence respectively；
Current port to be dispatched is obtained from the row scheduling indicator sequence of acquisition according to default second poll rule
Port-mark.
In such scheme, it is described according to the default bag description information for cutting package informatin and the data packet to be dispatched to institute
State the data packet to be dispatched corresponding to current port to be dispatched to carry out cutting bag processing, it is corresponding to obtain the current port to be dispatched
Slice of data, specifically includes：
When the parameter value for cutting plain edition scheduling method in package informatin is virtual value, cut with described in package informatin
The parameter value of Burstmax uniformly cuts the data packet to be dispatched for the unit length of slice of data, and when described equal
When the length of remaining bag data is less than the parameter value of the Burstmax after even cutting, using the remaining bag data as one
A slice of data；
When the parameter value for cutting enhanced scheduling method in package informatin is virtual value, cut with described in package informatin
The parameter value of Burstmax uniformly cuts the data packet to be dispatched for the unit length of slice of data, and when described equal
, will be described remaining when the length of remaining bag data is more than Burstmax and is less than Burstmax+Burstmin after even cutting
Bag data cuts into two sheet datas；Wherein, the length of corresponding first slice of data of the remaining bag data is equal to
Burstmax-Burstmin, the length of corresponding second slice of data of the remaining bag data are equal to the remaining bag
Data length subtracts the length of first slice of data.
It is described that each corresponding slice of data of upstream port is dispatched to each upstream end in such scheme
The corresponding Interlaken interfaces of mouth, including：
Described according to default data scheduling mode information, each corresponding slice of data of upstream port is dispatched to
The corresponding Interlaken interfaces of each upstream port；Wherein, the data scheduling mode information is used to indicate described each
The corresponding slice of data in trip port is with whole pack mode or corresponding to each upstream port with intertexture mode dispatching
Interlaken interfaces.
In such scheme, described according to default data scheduling mode information, each upstream port is corresponding cuts by described
Sheet data is dispatched to the corresponding Interlaken interfaces of each upstream port, specifically includes：
When data scheduling mode information instruction be whole pack mode when, by the complete package data of each upstream port
Corresponding all slice of data are spliced into piece of data, and by spliced full wafer data dispatch to each upstream port pair
The Interlaken interfaces answered；
When the data scheduling mode information instruction be intertexture pattern when, by each upstream end in the form of intertexture
Mouthful slice of data one by one homogeneous dispatch to the corresponding Interlaken interfaces of each upstream port.
Second aspect, an embodiment of the present invention provides a kind of Interlaken to cut bag and dispatching device, and described device includes：
Data packet cuts bag module, packet schedule module and Interlaken interface modules；Wherein,
The data packet cuts bag module, for receiving the data packet sent by least one port in upstream, and respectively to every
The corresponding data packet of a upstream port carries out cutting bag processing, obtains the corresponding slice of data of each upstream port；
The packet schedule module, corresponds to for obtaining each upstream port from default Interlaken interface groups
Interface；
The packet schedule module, is additionally operable to each corresponding slice of data of upstream port being dispatched to described every
The corresponding Interlaken interfaces of a upstream port；
The Interlaken interface modules, for each corresponding slice of data of upstream port to be transmitted.
In such scheme, the data packet cuts bag module, specifically includes：Processing data packets submodule, Interlaken
Cut bag control submodule and data packet cuts steamed stuffed bun module；Wherein,
The processing data packets submodule, for receiving the data packet sent by least one port in upstream, and is obtained respectively
Take the bag description information of the corresponding data packet of each upstream port；
The Interlaken cuts bag control submodule, and current port to be dispatched is obtained according to default polling dispatching table
Port-mark, and corresponding to the port-mark of port to be dispatched according to obtaining the port-mark of the current port to be dispatched
Data packet to be dispatched and the data packet to be dispatched bag description information；
The data packet cuts steamed stuffed bun module, for being described according to the default bag for cutting package informatin and the data packet to be dispatched
Information carries out cutting bag processing to the data packet to be dispatched corresponding to the current port to be dispatched, and acquisition is described currently to treat dispatching terminal
The corresponding slice of data of mouth；Wherein, the package informatin of cutting includes Maximum Burst Size Burstmax, minimal burstiness length
The parameter value of Burstmin, plain edition or enhanced scheduling method；
The Interlaken cuts bag control submodule, is additionally operable to update the information of the polling dispatching table.
In such scheme, the Interlaken cuts bag control submodule, is specifically used for：
Obtain what a line was made of scheduling indicated value from default polling dispatching table according to default first poll rule
Dispatch indicator sequence；Wherein, often row scheduling indicator sequence has all corresponded to a line port-mark sequence respectively；
Current port to be dispatched is obtained from the row scheduling indicator sequence of acquisition according to default second poll rule
Port-mark.
In such scheme, the data packet cuts steamed stuffed bun module, is specifically used for：
When the parameter value for cutting plain edition scheduling method in package informatin is virtual value, cut with described in package informatin
The parameter value of Burstmax uniformly cuts the data packet to be dispatched for the unit length of slice of data, and when described equal
When the length of remaining bag data is less than the parameter value of the Burstmax after even cutting, using the remaining bag data as one
A slice of data；
When the parameter value for cutting enhanced scheduling method in package informatin is virtual value, cut with described in package informatin
The parameter value of Burstmax uniformly cuts the data packet to be dispatched for the unit length of slice of data, and when described equal
, will be described remaining when the length of remaining bag data is more than Burstmax and is less than Burstmax+Burstmin after even cutting
Bag data cuts into two sheet datas；Wherein, the length of corresponding first slice of data of the remaining bag data is equal to
Burstmax-Burstmin, the length of corresponding second slice of data of the remaining bag data are equal to the remaining bag
Data length subtracts the length of first slice of data.
In such scheme, the packet schedule module, is specifically used for：
Described according to default data scheduling mode information, each corresponding slice of data of upstream port is dispatched to
The corresponding Interlaken interfaces of each upstream port；Wherein, the data scheduling mode information is used to indicate described each
The corresponding slice of data in trip port is with whole pack mode or corresponding to each upstream port with intertexture mode dispatching
Interlaken interfaces.
In such scheme, the packet schedule module, is specifically used for：
When data scheduling mode information instruction be whole pack mode when, by the complete package data of each upstream port
Corresponding all slice of data are spliced into piece of data, and by spliced full wafer data dispatch to each upstream port pair
The Interlaken interfaces answered；
When the data scheduling mode information instruction be intertexture pattern when, by each upstream end in the form of intertexture
Mouthful slice of data one by one homogeneous dispatch to the corresponding Interlaken interfaces of each upstream port.
In such scheme, described device further includes：Data pack buffer module, packet information cache module and
Interlaken scheduling information management modules；Wherein,
The data pack buffer module, for storing the data packet sent by least one port in upstream；
The packet information cache module, for storing the bag description information of the corresponding data packet of each upstream port；
The Interlaken scheduling informations management module, for store it is default cut package informatin and data scheduling mode letter
Breath.
An embodiment of the present invention provides a kind of Interlaken to cut bag and dispatching method and device, and this method make use of at the same time
The data packet that the Interlaken interfaces of multiple small bit wide low capacities send at least one port in upstream of reception carries out respectively
Transmission, so as to significantly improve the speed of data transfer；Further, since the design method of each Interlaken interfaces is similar,
Therefore the design cycle of integrated circuit is substantially reduced.
Brief description of the drawings
Fig. 1 is the method schematic diagram that a kind of Interlaken provided in an embodiment of the present invention cuts bag and scheduling；
Fig. 2 cuts bag method schematic diagram for one kind provided in an embodiment of the present invention；
Fig. 3 is a kind of method schematic diagram of port-mark for obtaining current port to be dispatched provided in an embodiment of the present invention；
Fig. 4 is a kind of structure diagram of polling dispatching table provided in an embodiment of the present invention；
Fig. 5 is the method signal of another port-mark for obtaining current port to be dispatched provided in an embodiment of the present invention
Figure；
Fig. 6 is a kind of specific method signal treated scheduling data packet and cut bag processing provided in an embodiment of the present invention
Figure；
Fig. 7 cuts bag result schematic diagram for one kind provided in an embodiment of the present invention；
Fig. 8 cuts bag result schematic diagram for another kind provided in an embodiment of the present invention；
Fig. 9 is the structure diagram that a kind of Interlaken provided in an embodiment of the present invention cuts bag and dispatching device；
Figure 10 is the structure diagram that another kind Interlaken provided in an embodiment of the present invention cuts bag and dispatching device；
Figure 11 is the structure diagram that another Interlaken provided in an embodiment of the present invention cuts bag and dispatching device；
Figure 12 is the workflow schematic diagram that a kind of Interlaken provided in an embodiment of the present invention cuts bag and dispatching device.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
Embodiment one
As shown in Figure 1, it gives a kind of Interlaken provided in an embodiment of the present invention to cut bag and dispatching method, institute
The method of stating can include：
S110, receive the data packet sent by least one port in upstream, and respectively to the corresponding number of each upstream port
Carry out cutting bag processing according to bag, obtain the corresponding slice of data of each upstream port；
S120, obtain the corresponding interface of each upstream port from default Interlaken interface groups；Wherein, it is described
Interlaken interface groups include at least two Interlaken interfaces；
S130, that each corresponding slice of data of upstream port is dispatched to each upstream port is corresponding
Interlaken interfaces；
, can be according on described it should be noted that when being scheduled to the corresponding slice of data of the upstream port
The slice of data of the upstream port is dispatched to properly by trip port bandwidth and the proportionate relationship of Interlaken sub-interface bit wides
Interlaken interfaces on be transmitted, there is congestion to avoid data transmission procedure.For example, currently scheduled is upper
The bandwidth of trip port is 100Gbps, and the bit wide of some Interlaken interface in the Interlaken interface groups is also
100Gbps, then, it is 100Gbps that the slice of data for the upstream port that can be at this time 100Gbps by bandwidth, which is dispatched to bit wide,
Interlaken interfaces on be transmitted.
S140, by each corresponding Interlaken interfaces of upstream port will each upstream port it is corresponding
Slice of data is transmitted.
Exemplarily, it is described to receive the data packet sent by least one port in upstream, and respectively to each upstream port
Corresponding data packet carries out cutting bag processing, the corresponding slice of data of each upstream port is obtained, as shown in Fig. 2, can specifically wrap
Include：
S210, receive the data packet sent by least one port in upstream, and it is corresponding to obtain each upstream port respectively
The bag description information of data packet；
Specifically, the bag description information of the data packet can include：Header packet information, packet trailer information and packet length information
Deng.
S220, the port-mark according to the current port to be dispatched of default polling dispatching table acquisition, and according to described current
The port-mark of port to be dispatched obtain described in port to be dispatched port-mark corresponding to data packet to be dispatched and described treat
Dispatch the bag description information of data packet；
S230, according to the default bag description information for cutting package informatin and the data packet to be dispatched currently wait to dispatch to described
Data packet to be dispatched corresponding to port carries out cutting bag processing, obtains the corresponding slice of data in the port currently to be dispatched；
Specifically, the default package informatin of cutting can include：Maximum Burst Size Burstmax, minimal burstiness length
The parameter value of Burstmin, plain edition or enhanced scheduling method.
The information of S240, the renewal polling dispatching table, and return and perform step S220.
Specifically, for step S220, port-mark and the end of the default polling dispatching table by upstream port
The corresponding scheduling indicated value composition of mouth mark, for obtaining the port-mark of current port to be dispatched.
It should be noted that all of the port mark in the polling dispatching table has corresponded to institute in the port table that CPU is configured
The all of the port of configuration.
Correspondingly, the port-mark that current port to be dispatched is obtained according to default polling dispatching table, such as Fig. 3 institutes
Show, can specifically include：
S310, according to default first poll rule obtain a line by scheduling indicated value group from default polling dispatching table
Into scheduling indicator sequence；Wherein, often row scheduling indicator sequence has all corresponded to a line port-mark sequence respectively；
S320, obtain from the row scheduling indicator sequence of acquisition according to default second poll rule and currently treat dispatching terminal
The port-mark of mouth.
It should be noted that the default first poll rule can be order from top to bottom or under
Order on and, its purpose is to obtain a line scheduling indicator sequence.Similarly, the default second poll rule can be with
It is order from left to right or order from right to left, its purpose is to obtain the port of current port to be dispatched
Mark.
As shown in figure 4, it gives a kind of structure of the polling dispatching table, it can be seen from the figure that the poll tune
Spend table by port table cfg_rd_port_j (j=1,2 ..., n) and the port table cfg_rd_port_j (j=1,2 ...,
N) (j=1,2 ..., n) forms, and the cfg_rd_ in the polling dispatching table by corresponding scheduling dial gauge cfg_rd_order_j
The port-mark that port_1 to cfg_rd_port_n is included has corresponded to all of the port included in the port table of CPU configurations；
Cfg_rd_order_1 to cfg_rd_order_n corresponds to the port mark in instruction cfg_rd_port_1 to cfg_rd_port_n
Know whether corresponding port data bag can currently be scheduled.For example, P in Fig. 41 2Corresponding cfg_rd_order_1 at position
In indicated value be 1, represent the port-mark in corresponding cfg_rd_port_1 at the positionCorresponding port data bag
It can currently be scheduled.Conversely, work as P1 2When indicated value at position in corresponding cfg_rd_order_1 is 0, show this
Port-markCorresponding port data bag cannot currently be scheduled.
Therefore, based on the polling dispatching table shown in Fig. 4, current port to be dispatched can be obtained by the poll of both direction
Port-mark, as shown in figure 5, can specifically include：
It is S510, top-down according to cfg_rd_order_1 to cfg_rd_order_n according to default polling dispatching table
Order poll obtains a line scheduling indicator sequence cfg_rd_order_j；Wherein, j=1,2 ..., n；
S520, dispatch in indicator sequence cfg_rd_order_j according to by left-to-right order poll according to the row of acquisition
Obtain the port-mark of port to be dispatched.
It should be noted that the direction for poll can be arbitrary, its purpose is primarily to can be by all ends
The data of mouth equably dispatch output.In addition, the scheduling dial gauge cfg_rd_order_j (j=1,2 ..., n) in it is each
Scheduling indicated value corresponding to port is real-time update, for example, P1 2Corresponding port current time does not have what is cached at position
Data packet, at this time, the indicated value at the position in corresponding cfg_rd_order_1 will be updated to 0.
Specifically, it is described to be described according to the default bag for cutting package informatin and the data packet to be dispatched for step S230
Information carries out cutting bag processing to the data packet to be dispatched corresponding to the current port to be dispatched, and acquisition is described currently to treat dispatching terminal
The corresponding slice of data of mouth, as shown in fig. 6, can specifically include：
The parameter value of plain edition and enhanced scheduling method in package informatin is cut described in S610, reading；
S620, when the parameter value for cutting plain edition scheduling method in package informatin is virtual value, cut package informatin with described
The parameter value of middle Burstmax uniformly cuts the data packet to be dispatched for the unit length of slice of data, and when described
Uniformly cutting after remaining bag data length be less than the Burstmax parameter value when, using the remaining bag data as
One slice of data；
S630, when the parameter value for cutting enhanced scheduling method in package informatin is virtual value, cut package informatin with described
The parameter value of middle Burstmax uniformly cuts the data packet to be dispatched for the unit length of slice of data, and when described
When uniformly the length of remaining bag data is more than Burstmax and is less than Burstmax+Burstmin after cutting, by the residue
Bag data cut into two sheet datas；Wherein, the length of corresponding first slice of data of the remaining bag data is equal to
Burstmax-Burstmin, the length of corresponding second slice of data of the remaining bag data are equal to the remaining bag
Data length subtracts the length of first slice of data.
It is to be appreciated which kind of scheduling method the parameter value of the plain edition or enhanced scheduling method is used to indicate according to
Under cutting method cut into slices to the data packet to be dispatched.For example, it is currently needed for carrying out the data to be dispatched for cutting bag processing
The length of bag is 520 bytes, the Burstmax=256 bytes cut in package informatin, Burstmin=16 bytes, at this time, when
When the parameter value of the plain edition scheduling method cut in package informatin is virtual value (such as parameter value is equal to 0), which cuts
Inclusion fruit is as shown in fig. 7, the inclusion fruit that cuts of the i.e. data packet is：First slice of data length is 256 bytes, and second is cut into slices
Data length is 256 bytes, and three pieces slice of data length is 8 bytes；When the enhanced scheduling method cut in package informatin
Parameter value for virtual value (such as parameter value be equal to 1) when, which cuts inclusion fruit as shown in figure 8, i.e. the data packet is cut
Inclusion fruit is：First slice of data length is 256 bytes, and second slice of data length is 240 byte (i.e. Burstmax-
Burstmin), three pieces slice of data length is 24 bytes (i.e. 520-256-240).
Exemplarily, it is described that each corresponding slice of data of upstream port is dispatched to each upstream port pair
The Interlaken interfaces answered, it is preferable that can be according to default data scheduling mode information by each upstream port pair
The slice of data answered is dispatched to the corresponding Interlaken interfaces of each upstream port；Wherein, the data scheduling mode
Information is used to indicate that each corresponding slice of data of upstream port is with whole pack mode or with intertexture mode dispatching to institute
State the corresponding Interlaken interfaces of each upstream port.
Specifically, when data scheduling mode information instruction be whole pack mode when, by each upstream port
The corresponding all slice of data of complete package data are spliced into piece of data, and by spliced full wafer data dispatch to it is described it is each on
Swim the corresponding Interlaken interfaces in port；When the data scheduling mode information instruction be intertexture pattern when, with intertexture
By the slice of data of each upstream port, homogeneous dispatch connects form to the corresponding Interlaken of each upstream port one by one
Mouthful.
An embodiment of the present invention provides a kind of Interlaken to cut bag and dispatching method, and this method can be by the upstream of reception
The data packet that at least one port is sent is dispatched to the corresponding Interlaken interfaces of each upstream port respectively, and this method is at the same time
The data packet point that make use of the Interlaken interfaces of multiple small bit wide low capacities to send at least one port in upstream of reception
It is not transmitted, so as to significantly improve the speed of data transfer；Further, since the design method of each Interlaken interfaces
It is similar, therefore substantially reduce the design cycle of integrated circuit.
Embodiment two
Based on technical concept same as before, referring to Fig. 9, it illustrates one kind provided in an embodiment of the present invention
Interlaken cuts bag and dispatching device 10, and described device can include：Data packet cuts bag module 110, packet schedule module
120 and Interlaken interface modules 130；Wherein,
The data packet cuts bag module 110, for receiving the data packet sent by least one port in upstream, and it is right respectively
Each corresponding data packet of upstream port carries out cutting bag processing, obtains the corresponding slice of data of each upstream port；
The packet schedule module 120, for obtaining each upstream port from default Interlaken interface groups
Corresponding interface；
The packet schedule module 120, is additionally operable to each corresponding slice of data of upstream port being dispatched to institute
State the corresponding Interlaken interfaces of each upstream port；
The Interlaken interface modules 130, for each corresponding slice of data of upstream port to be sent out
Send.
In such scheme, the data packet cuts bag module 110, as shown in Figure 10, can specifically include：Processing data packets
Submodule 1101, Interlaken cut bag control submodule 1102 and data packet cuts steamed stuffed bun module 1103；Wherein,
The processing data packets submodule 1101, for receiving the data packet sent by least one port in upstream, and divides
The bag description information of the corresponding data packet of each upstream port is not obtained；
The Interlaken cuts bag control submodule 1102, is obtained according to default polling dispatching table and currently treats dispatching terminal
Mouthful port-mark, and according to the port-mark acquisition of the current port dispatch port to be dispatched port-mark institute
The bag description information of corresponding data packet to be dispatched and the data packet to be dispatched；
The data packet cuts steamed stuffed bun module 1103, for according to the default bag for cutting package informatin and the data packet to be dispatched
Description information carries out cutting bag processing to the data packet to be dispatched corresponding to the current port to be dispatched, and acquisition is described currently to be waited to adjust
Spend the corresponding slice of data in port；Wherein, the package informatin of cutting includes Maximum Burst Size Burstmax, minimal burstiness length
The parameter value of Burstmin, plain edition or enhanced scheduling method；
The Interlaken cuts bag control submodule 1102, is additionally operable to update the information of the polling dispatching table.
In such scheme, the Interlaken cuts bag control submodule 1102, is specifically used for：
Obtain what a line was made of scheduling indicated value from default polling dispatching table according to default first poll rule
Dispatch indicator sequence；Wherein, often row scheduling indicator sequence has all corresponded to a line port-mark sequence respectively；
Current port to be dispatched is obtained from the row scheduling indicator sequence of acquisition according to default second poll rule
Port-mark.
In such scheme, the data packet cuts steamed stuffed bun module 1103, is specifically used for：
When the parameter value for cutting plain edition scheduling method in package informatin is virtual value, cut with described in package informatin
The parameter value of Burstmax uniformly cuts the data packet to be dispatched for the unit length of slice of data, and when described equal
When the length of remaining bag data is less than the parameter value of the Burstmax after even cutting, using the remaining bag data as one
A slice of data；
When the parameter value for cutting enhanced scheduling method in package informatin is virtual value, cut with described in package informatin
The parameter value of Burstmax uniformly cuts the data packet to be dispatched for the unit length of slice of data, and when described equal
, will be described remaining when the length of remaining bag data is more than Burstmax and is less than Burstmax+Burstmin after even cutting
Bag data cuts into two sheet datas；Wherein, the length of corresponding first slice of data of the remaining bag data is equal to
Burstmax-Burstmin, the length of corresponding second slice of data of the remaining bag data are equal to the remaining bag
Data length subtracts the length of first slice of data.
In such scheme, the packet schedule module 120, is specifically used for：
Described according to default data scheduling mode information, each corresponding slice of data of upstream port is dispatched to
The corresponding Interlaken interfaces of each upstream port；Wherein, the data scheduling mode information is used to indicate described each
The corresponding slice of data in trip port is with whole pack mode or corresponding to each upstream port with intertexture mode dispatching
Interlaken interfaces.
In such scheme, the packet schedule module 120, is specifically used for：
When data scheduling mode information instruction be whole pack mode when, by the complete package data of each upstream port
Corresponding all slice of data are spliced into piece of data, and by spliced full wafer data dispatch to each upstream port pair
The Interlaken interfaces answered；
When the data scheduling mode information instruction be intertexture pattern when, by each upstream end in the form of intertexture
Mouthful slice of data one by one homogeneous dispatch to the corresponding Interlaken interfaces of each upstream port.
In such scheme, as shown in figure 11, described device 10 can also include：Data pack buffer module 140, data packet
Information cache module 150 and Interlaken scheduling informations management module 160；Wherein,
The data pack buffer module 140, for storing the data packet sent by least one port in upstream；
It should be noted that in order to most effectively utilize the data pack buffer, usually each upstream port is sent
Data packet is stored in the data pack buffer module by port-mark in the form of chained list.
The packet information cache module 150, the bag for storing the corresponding data packet of each upstream port describe letter
Breath；
The Interlaken scheduling informations management module 160, default package informatin and data dispatch mould are cut for storing
Formula information.
Embodiment three
For the ease of the understanding to such scheme, the present embodiment will combine a kind of workflows of the Figure 12 to above device 10
It is described, the workflow can specifically include：
S710, processing data packets submodule 1101 receive the data packet sent by least one port in upstream, and to current
The data packet of reception carries out the pairing processing and the calculating of packet length of packet header and bag tail；
The port-mark of S711, the processing data packets submodule 1101 as corresponding to currently received data packet will be current
The data packet write-in chained list of reception；Wherein, the storage of linked list is in data pack buffer module 140；
S712, when the bag mantissa of the currently received data packet is according to the chained list is write, processing data packets
The packet header of the currently received data packet, bag tail and packet length information are write packet information by module 1101 by port-mark
Cache module 150；
S713, Interlaken cut bag control submodule 1102 and currently treat dispatching terminal according to the acquisition of default polling dispatching table
The port-mark of mouth, and obtained according to the port-mark of currently port to be dispatched from the packet information cache module 150
Packet header, bag tail and packet length information corresponding to the port-mark of the current port to be dispatched；
S714, the Interlaken cut bag control submodule 1102 according to the packet header of acquisition, bag tail and packet length information
Produce one group and the currently reading chained list port-mark of packet header alignment of data to be dispatched and reading chained list enable signal；
S715, the Interlaken cut bag control submodule 1102 according to the reading chained list port-mark of generation and read chained list
Enable signal persistently reads from the chained list data of the current data packet to be dispatched by clock control, and by reading
The data sending of the current data packet to be dispatched cuts steamed stuffed bun module 1103 to data packet；
S715, cut the data that bag control submodule 1102 completes the current data packet to be dispatched as the Interlaken
During reading, the Interlaken cuts bag control submodule 1102 from the Interlaken scheduling informations management module 160
Package informatin is cut in acquisition；Wherein, the package informatin of cutting includes：Burstmax, Burstmin and plain edition or enhanced scheduling method
Parameter value；
S716, the Interlaken cut bag control submodule 1102 according to acquisition cut package informatin produce alignment cut bag
Control signal, and be sent to the data packet and cut steamed stuffed bun module 1103；
S717, the data packet cut steamed stuffed bun module 1103 and currently wait to adjust to described according to the control packet signal of cutting of the alignment
Degrees of data bag carries out cutting bag processing, and obtains the corresponding slice of data in the port currently to be dispatched；
It should be noted that the data packet cuts steamed stuffed bun module 1103 for plain edition scheduling method and enhanced scheduling mould
It is different to the packet processing method of cutting of the current data packet to be dispatched under formula, specifically cuts packet processing method in above-mentioned implementation
It is described in detail in example, to avoid repeating, details are not described herein again.
S718, packet schedule module 120 by the corresponding slice of data in current port dispatch be dispatched to it is described ought
Before the corresponding Interlaken interfaces in port to be dispatched.
It should be noted that the data packet of same port must be dispatched to same Interlaken interfaces, implementing
In, dispatching terminal will can currently be treated according to the currently bandwidth of port to be dispatched and the proportionate relationship of Interlaken interface bit wides
Mouthful data dispatch to suitable Interlaken interfaces.In addition, from embodiment two, the processing data packets submodule
1101st, Interlaken cut bag control submodule 1102 and data packet to cut steamed stuffed bun module 1103 be that the data packet cuts bag module
110 submodule.
It should also be noted that, the packet schedule module 120 can be according to the Interlaken scheduling informations pipe
Manage the data scheduling mode information (including whole pack mode and parameter value of intertexture pattern) in module 160 judges it is with whole pack mode
Form slice of data is dispatched away, or slice of data is dispatched away in the form of intertexture pattern.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the shape of the embodiment in terms of the present invention can use hardware embodiment, software implementation or combination software and hardware
Formula.Moreover, the present invention can use the computer for wherein including computer usable program code in one or more to use storage
The form for the computer program product that medium is implemented on (including but not limited to magnetic disk storage and optical memory etc.).
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or square frame in journey and/or square frame and flowchart and/or the block diagram.These computer programs can be provided
The processors of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that the instruction performed by computer or the processor of other programmable data processing devices, which produces, to be used in fact
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which produces, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided and is used for realization in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a square frame or multiple square frames.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (14)
1. a kind of Interlaken cuts bag and dispatching method, it is characterised in that the described method includes：
The data packet sent by least one port in upstream is received, and the corresponding data packet of each upstream port is cut respectively
Bag processing, obtains the corresponding slice of data of each upstream port；
The corresponding interface of each upstream port is obtained from default Interlaken interface groups；Wherein, the Interlaken
Interface group includes at least two Interlaken interfaces；
Each corresponding slice of data of upstream port is dispatched to each corresponding Interlaken of upstream port to connect
Mouthful；
Will each corresponding slice of data of upstream port by each corresponding Interlaken interfaces of upstream port
It is transmitted.
2. according to the method described in claim 1, it is characterized in that, described receive the data sent by least one port in upstream
Bag, and the corresponding data packet of each upstream port is carried out cutting bag processing respectively, obtain the corresponding number of slices of each upstream port
According to specifically including：
The data packet sent by least one port in upstream is received, and obtains the bag of the corresponding data packet of each upstream port respectively
Description information；Wherein, the bag description information includes packet header, bag tail and packet length information；
The port-mark of current port to be dispatched is obtained according to default polling dispatching table, and according to the current port to be dispatched
Port-mark obtain described in port to be dispatched port-mark corresponding to data packet to be dispatched and the data packet to be dispatched
Bag description information；
It is right to the current port institute to be dispatched according to the default bag description information for cutting package informatin and the data packet to be dispatched
The data packet to be dispatched answered carries out cutting bag processing, obtains the corresponding slice of data in the port currently to be dispatched；Wherein, it is described to cut
Package informatin includes Maximum Burst Size Burstmax, minimal burstiness length Burstmin, plain edition or enhanced scheduling method
Parameter value；
The information of the polling dispatching table is updated, and the end of next port to be dispatched is obtained according to the polling dispatching table after renewal
Mouth mark.
3. according to the method described in claim 2, it is characterized in that, the default polling dispatching table by upstream port port
Mark scheduling indicated value composition corresponding with the port-mark, for obtaining the port-mark of current port to be dispatched.
4. according to the method described in claim 2, it is characterized in that, described obtained according to default polling dispatching table currently waits to adjust
The port-mark of port is spent, is specifically included：
The scheduling that a line is made of scheduling indicated value is obtained from default polling dispatching table according to default first poll rule
Indicator sequence；Wherein, often row scheduling indicator sequence has all corresponded to a line port-mark sequence respectively；
The port of current port to be dispatched is obtained from the row scheduling indicator sequence of acquisition according to default second poll rule
Mark.
5. according to the method described in claim 2, it is characterized in that, described cut package informatin and the number to be dispatched according to default
The data packet to be dispatched corresponding to current port dispatch is carried out cutting bag according to the bag description information of bag and is handled, described in acquisition
The currently corresponding slice of data in port to be dispatched, specifically includes：
When the parameter value for cutting plain edition scheduling method in package informatin is virtual value, Burstmax in package informatin is cut with described
Parameter value data packet dispatch is uniformly cut for the unit length of slice of data, and when it is described it is uniform cut after
When the length of remaining bag data is less than the parameter value of the Burstmax, using the remaining bag data as a number of slices
According to；
When the parameter value for cutting enhanced scheduling method in package informatin is virtual value, Burstmax in package informatin is cut with described
Parameter value data packet dispatch is uniformly cut for the unit length of slice of data, and when it is described it is uniform cut after
When the length of remaining bag data is more than Burstmax and is less than Burstmax+Burstmin, the remaining bag data is cut
It is cut into two sheet datas；Wherein, the length of corresponding first slice of data of the remaining bag data is equal to Burstmax-
Burstmin, the length of corresponding second slice of data of the remaining bag data subtract equal to the remaining bag data length
Go the length of first slice of data.
It is 6. according to the method described in claim 1, it is characterized in that, described by the corresponding slice of data of each upstream port
The corresponding Interlaken interfaces of each upstream port are dispatched to, including：
Each corresponding slice of data of upstream port is dispatched to according to default data scheduling mode information described each
The corresponding Interlaken interfaces of upstream port；Wherein, the data scheduling mode information is used to indicate each upstream end
The corresponding slice of data of mouth is with whole pack mode or corresponding to each upstream port with intertexture mode dispatching
Interlaken interfaces.
It is 7. according to the method described in claim 6, it is characterized in that, described according to inciting somebody to action default data scheduling mode information
Each corresponding slice of data of upstream port is dispatched to the corresponding Interlaken interfaces of each upstream port, specific bag
Include：
When data scheduling mode information instruction be whole pack mode when, the complete package data of each upstream port is corresponded to
All slice of data be spliced into piece of data, it is and spliced full wafer data dispatch is corresponding to each upstream port
Interlaken interfaces；
When data scheduling mode information instruction be intertexture pattern when, by each upstream port in the form of intertexture
Slice of data one by one homogeneous dispatch to the corresponding Interlaken interfaces of each upstream port.
8. a kind of Interlaken cuts bag and dispatching device, it is characterised in that described device includes：Data packet cuts bag module, number
According to packet scheduling module and Interlaken interface modules；Wherein,
The data packet cuts bag module, for receiving the data packet sent by least one port in upstream, and respectively on each
The corresponding data packet in trip port carries out cutting bag processing, obtains the corresponding slice of data of each upstream port；
The packet schedule module, for being obtained from default Interlaken interface groups, each upstream port is corresponding to be connect
Mouthful；
The packet schedule module, be additionally operable to by each corresponding slice of data of upstream port be dispatched to it is described it is each on
Swim the corresponding Interlaken interfaces in port；
The Interlaken interface modules, for each corresponding slice of data of upstream port to be transmitted.
9. device according to claim 8, it is characterised in that the data packet cuts bag module, specifically includes：At data packet
Manage submodule, Interlaken cuts bag control submodule and data packet cuts steamed stuffed bun module；Wherein,
The processing data packets submodule, for receiving the data packet sent by least one port in upstream, and obtains every respectively
The bag description information of the corresponding data packet of a upstream port；
The Interlaken cuts bag control submodule, and the port of current port to be dispatched is obtained according to default polling dispatching table
Mark, and treated corresponding to the port-mark of port to be dispatched according to obtaining the port-mark of the current port to be dispatched
Dispatch the bag description information of data packet and the data packet to be dispatched；
The data packet cuts steamed stuffed bun module, for according to the default bag description information for cutting package informatin and the data packet to be dispatched
Data packet to be dispatched corresponding to the current port to be dispatched is carried out cutting bag processing, obtains the current port pair to be dispatched
The slice of data answered；Wherein, it is described cut package informatin include Maximum Burst Size Burstmax, minimal burstiness length Burstmin,
The parameter value of plain edition or enhanced scheduling method；
The Interlaken cuts bag control submodule, is additionally operable to update the information of the polling dispatching table.
10. device according to claim 9, it is characterised in that the Interlaken cuts bag control submodule, specific to use
In：
The scheduling that a line is made of scheduling indicated value is obtained from default polling dispatching table according to default first poll rule
Indicator sequence；Wherein, often row scheduling indicator sequence has all corresponded to a line port-mark sequence respectively；
The port of current port to be dispatched is obtained from the row scheduling indicator sequence of acquisition according to default second poll rule
Mark.
11. device according to claim 9, it is characterised in that the data packet cuts steamed stuffed bun module, is specifically used for：
When the parameter value for cutting plain edition scheduling method in package informatin is virtual value, Burstmax in package informatin is cut with described
Parameter value data packet dispatch is uniformly cut for the unit length of slice of data, and when it is described it is uniform cut after
When the length of remaining bag data is less than the parameter value of the Burstmax, using the remaining bag data as a number of slices
According to；
When the parameter value for cutting enhanced scheduling method in package informatin is virtual value, Burstmax in package informatin is cut with described
Parameter value data packet dispatch is uniformly cut for the unit length of slice of data, and when it is described it is uniform cut after
When the length of remaining bag data is more than Burstmax and is less than Burstmax+Burstmin, the remaining bag data is cut
It is cut into two sheet datas；Wherein, the length of corresponding first slice of data of the remaining bag data is equal to Burstmax-
Burstmin, the length of corresponding second slice of data of the remaining bag data subtract equal to the remaining bag data length
Go the length of first slice of data.
12. device according to claim 8, it is characterised in that the packet schedule module, is specifically used for：
Each corresponding slice of data of upstream port is dispatched to according to default data scheduling mode information described each
The corresponding Interlaken interfaces of upstream port；Wherein, the data scheduling mode information is used to indicate each upstream end
The corresponding slice of data of mouth is with whole pack mode or corresponding to each upstream port with intertexture mode dispatching
Interlaken interfaces.
13. device according to claim 12, it is characterised in that the packet schedule module, is specifically used for：
When data scheduling mode information instruction be whole pack mode when, the complete package data of each upstream port is corresponded to
All slice of data be spliced into piece of data, it is and spliced full wafer data dispatch is corresponding to each upstream port
Interlaken interfaces；
When data scheduling mode information instruction be intertexture pattern when, by each upstream port in the form of intertexture
Slice of data one by one homogeneous dispatch to the corresponding Interlaken interfaces of each upstream port.
14. device according to claim 8, it is characterised in that described device further includes：Data pack buffer module, data
Package informatin cache module and Interlaken scheduling information management modules；Wherein,
The data pack buffer module, for storing the data packet sent by least one port in upstream；
The packet information cache module, for storing the bag description information of the corresponding data packet of each upstream port；
The Interlaken scheduling informations management module, default package informatin and data scheduling mode information are cut for storing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933585.1A CN108011842A (en) | 2016-10-31 | 2016-10-31 | A kind of Interlaken cuts bag and dispatching method and device |
| PCT/CN2017/081746 WO2018076636A1 (en) | 2016-10-31 | 2017-04-24 | Interlaken package cutting and scheduling method and apparatus, and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933585.1A CN108011842A (en) | 2016-10-31 | 2016-10-31 | A kind of Interlaken cuts bag and dispatching method and device |
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| CN108011842A true CN108011842A (en) | 2018-05-08 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821458A (en) * | 2012-08-13 | 2012-12-12 | 华为技术有限公司 | Dynamic link adjustment method and link management equipment |
| CN103560982A (en) * | 2013-10-31 | 2014-02-05 | 烽火通信科技股份有限公司 | Packet cutting device and method for Interlaken enhanced dispatch |
| CN103761065A (en) * | 2014-01-27 | 2014-04-30 | 华为技术有限公司 | Data output method and device |
| WO2014164036A1 (en) * | 2013-03-12 | 2014-10-09 | Pierson Forrest Lawrence | Indefinitely expandable high-capacity data switch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104333518B (en) * | 2014-10-24 | 2017-05-17 | 南京贝伦思网络科技股份有限公司 | Blocking device processing method |
| CN105515784A (en) * | 2015-12-02 | 2016-04-20 | 北京浩瀚深度信息技术股份有限公司 | High speed interface board card and setting method for communication equipment |
-
2016
- 2016-10-31 CN CN201610933585.1A patent/CN108011842A/en not_active Withdrawn
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- 2017-04-24 WO PCT/CN2017/081746 patent/WO2018076636A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821458A (en) * | 2012-08-13 | 2012-12-12 | 华为技术有限公司 | Dynamic link adjustment method and link management equipment |
| WO2014164036A1 (en) * | 2013-03-12 | 2014-10-09 | Pierson Forrest Lawrence | Indefinitely expandable high-capacity data switch |
| CN103560982A (en) * | 2013-10-31 | 2014-02-05 | 烽火通信科技股份有限公司 | Packet cutting device and method for Interlaken enhanced dispatch |
| CN103761065A (en) * | 2014-01-27 | 2014-04-30 | 华为技术有限公司 | Data output method and device |
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