CN104601490B - The flow control method and flow control apparatus and the network equipment of the network equipment - Google Patents
The flow control method and flow control apparatus and the network equipment of the network equipment Download PDFInfo
- Publication number
- CN104601490B CN104601490B CN201510083894.XA CN201510083894A CN104601490B CN 104601490 B CN104601490 B CN 104601490B CN 201510083894 A CN201510083894 A CN 201510083894A CN 104601490 B CN104601490 B CN 104601490B
- Authority
- CN
- China
- Prior art keywords
- flow control
- data packet
- message
- sent
- memory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a kind of flow control methods of network equipment and device and the network equipment.Based on the present invention, the logic device of interface board can report the Information encapsulation that is sent completely of the data Ethernet message on outgoing direction in flow control atomic data packet, flow control atomic data packet can be by managing Bus repeater to the logic device of mainboard, the logic device of mainboard described is sent completely information by that can be obtained to the parsing of flow control atomic data packet, and the memory for being encapsulated in write-in mainboard in flow control message is read immediately for the CPU of mainboard, the CPU of mainboard is set to perceive whether the data Ethernet message on outgoing direction occurs congestion in time, to be conducive to accurately realize the QOS on network equipment outgoing direction.Moreover, the present invention can either avoid completing information report the transmission for influencing data Ethernet message, and can realize the loose couplings that sends and receives of the CPU to data Ethernet message.
Description
Technical field
The present invention relates to network technology, more particularly to the flow control method of the network equipment, the flow control apparatus of the network equipment and
The network equipment.
Background technology
Ether bus architecture may be used in the network equipment, also, in ether bus architecture, the CPU of mainboard and mainboard
Ether between the ether exchange chip and the logic device of interface board of ether data channel, mainboard between ether exchange chip
Interface data channel between the interface chip of the logic device and interface board of data channel and interface board may existence
Manage the mutually unmatched situation of bandwidth.
Therefore, the network equipment is easy that the congestion of data message occurs on outgoing direction.If the CPU of mainboard can not be perceived in time
The releasing of aforementioned congestion and aforementioned congestion is then difficult to accurately realize QOS (the Quality of on network equipment outgoing direction
Service, service quality).
Invention content
In view of this, the embodiment provides a kind of flow control method of the network equipment, a kind of streams of the network equipment
Control device and the network equipment.
In one embodiment, a kind of flow control method of the network equipment is applied to the logic device of the interface board of the network equipment
In, also, the flow control method includes：
According to the data Ethernet message being sent in buffer queue is sent, construction includes the flow control atom for being sent completely information
Data packet；
The flow control atomic data packet is transmitted in management trunk priority in other atomic data packets.
Optionally, the flow control method further fills the interface board of the interface board in the flow control atomic data packet
Mark and the corresponding logical channel identifier of data Ethernet message that transmission is completed on the outgoing direction.
In another embodiment, a kind of flow control method of the network equipment is applied to the logic device of the mainboard of the network equipment
In, also, the flow control method includes：
Atomic data packet is received by managing bus；
Identify the type of the atomic data packet received；
If identifying, the atomic data packet received is flow control atomic data packet, is solved from the flow control atomic data packet
Analysis obtains being sent completely information；
Construction includes the flow control message for being sent completely information；
The flow control message is written to the memory of the CPU of mainboard and the CPU is notified to be read from the memory.
Optionally, the flow control message is written to the memory in a manner of DMA in the flow control method.
Optionally, the flow control method notifies the CPU in a manner of interrupting.
Optionally, the flow control method according further in the flow control atomic data packet interface panel sign and logic it is logical
Road identifies, and be sent completely in queue corresponding into the memory is written in the flow control message.
In one embodiment, a kind of flow control apparatus of the network equipment is applied to the logic device of the interface board of the network equipment
In, also, the flow control apparatus includes：
Data packet constructing module, according to the data Ethernet message being sent in buffer queue is sent, construction includes to have sent
At the flow control atomic data packet of information；
Module is sent in data packet, and the flow control atomic data packet is passed in management trunk priority in other atomic data packets
It is defeated.
Optionally, the data packet constructing module further fills the interface board in the flow control atomic data packet
Interface panel sign and the corresponding logical channel identifier of data Ethernet message that transmission is completed on the outgoing direction.
In another embodiment, a kind of flow control apparatus of the network equipment is applied to the logic device of the mainboard of the network equipment
In, also, the flow control apparatus includes：
Packet-receiving module receives atomic data packet by managing bus；
Packet classification module identifies the type of the atomic data packet received；
Resolve packet module, if identifying, the atomic data packet received is flow control atomic data packet, from the stream
Parsing obtains being sent completely information in control atomic data packet；
Message constructing module, construction include the flow control message for being sent completely information；
The flow control message is written the memory of the CPU of mainboard and notifies the CPU from described interior by information reporting module
Deposit reading.
Optionally, the flow control message is written to the memory in a manner of DMA in the information reporting module.
Optionally, the information reporting module notifies the CPU in a manner of interrupting.
Optionally, the information reporting module according further in the flow control atomic data packet interface panel sign and patrol
Gap marker is collected, be sent completely in queue corresponding into the memory is written into the flow control message.
In one embodiment, a kind of network equipment, including interface board and mainboard, the interface board are filled with the first logic
It sets, the mainboard has CPU, memory, ether exchange chip and the second logic device；
First logic device is connected with second logic device by managing bus；
First logic device includes to have sent according to the data Ethernet message being sent in buffer queue, construction is sent
At the flow control atomic data packet of information, and, by the flow control atomic data packet in the management trunk priority in other atoms
Data packet is transmitted；
Second logic device is by managing bus reception atomic data packet and identifying the atomic data packet received
Type, if identifying, the atomic data packet received is flow control atomic data packet, is parsed from the flow control atomic data packet
It obtains being sent completely information, and, construction is written the memory comprising the flow control message for being sent completely information and notifies institute
CPU is stated to read from the memory；
Data Ethernet message on outgoing direction is sent by the CPU when the state for sending buffer queue is non-full
The ether data channel；When the state for sending buffer queue is full, the data Ethernet message on outgoing direction is sent into
It is cached in QOS queues, until the state for sending buffer queue becomes non-full；Reading is being received from second logic device
When taking the notice of memory, flow control message is read from the memory；And according on outgoing direction to be sent into ether data channel
Data Ethernet message statistics and in the flow control message be sent completely described in maintenance of information send buffer queue shape
State.
Optionally, first logic device further fills connecing for the interface board in the flow control atomic data packet
Oralia identifies and is completed on the outgoing direction the corresponding logical channel identifier of data Ethernet message sent；Described second
Logic device disappears the flow control according further to interface panel sign and logical channel identifier in the flow control atomic data packet
Breath write-in is sent completely to corresponding in the memory in queue；And the flow control method is according to from the hair in the memory
The flow control message for completing to be read in queue is sent, safeguards the corresponding state for sending buffer queue.
Optionally, the flow control message is written to the memory in a manner of DMA in second logic device.
Optionally, second logic device notifies the CPU in a manner of interrupting.
It can be seen that the data Ethernet message on outgoing direction can be sent completely information envelope by the logic device of interface board
Reported in flow control atomic data packet, flow control atomic data packet can by manage Bus repeater to mainboard logic device,
The logic device of mainboard to the parsing of flow control atomic data packet by that can obtain described being sent completely information and being encapsulated in stream
The memory of write-in mainboard is read immediately for the CPU of mainboard in control message, and the CPU of mainboard is enable to perceive the number on outgoing direction in time
Whether congestion occurs according to Ethernet message, to be conducive to accurately realize the QOS on network equipment outgoing direction.Moreover, being sent completely
Reporting for information is not take up ether data channel, to avoid the transmission of data Ethernet message is influenced；CPU is to outgoing direction data ether
The processing for being sent completely information of message is mutual indepedent with the processing of the data Ethernet message to entering direction, to realize CPU logarithms
According to the loose coupling of Ethernet message sent and received.
Description of the drawings
Fig. 1 is the example arrangement schematic diagram of the network equipment in one embodiment；
Fig. 2 is the schematic diagram of the first logic device shown in Fig. 1；
Fig. 3 is the schematic diagram of the valid data section of Fig. 1 and flow control atomic data packet shown in Figure 2；
Fig. 4 is the schematic diagram of the second logic device shown in Fig. 1；
Fig. 5 is the schematic diagram of flow control message shown in Fig. 1；
Fig. 6 is the schematic diagram of the location mode of flow control message in memory shown in Fig. 1；
Fig. 7 is the schematic diagram of CPU shown in Fig. 1；
Fig. 8 is the flow diagram of the flow control method of the network equipment in one embodiment；
Fig. 9 is the flow diagram of the flow control method of the network equipment in another embodiment；
Figure 10 is the flow diagram of the flow control method of the network equipment in another embodiment；
Figure 11 is the structural schematic diagram of the flow control apparatus of the network equipment in one embodiment；
Figure 12 is the structural schematic diagram of the flow control apparatus of the network equipment in another embodiment；
Figure 13 is the structural schematic diagram of the flow control apparatus of the network equipment in another embodiment；
Figure 14 is a kind of schematic diagram of realization method of flow control apparatus as shown in figure 13.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, develop simultaneously embodiment referring to the drawings, right
The present invention is further described.
Fig. 1 is referred to, in one embodiment, ether bus architecture may be used in the network equipment 100, and includes interface board
11 and mainboard 12.Interface board 11 have interface chip 111 and the first logic device 112, also, mainboard 12 have CPU 121, with
Too exchange chip 122, memory 123 and the second logic device 124.
Interface chip 111 can be that the network equipment 100 provides external interface, and handles the report received and dispatched by external interface
Text.For example, the external interface that interface chip 111 provides can connect (Wide Area Network, wide area network), correspondingly, connect
The external interface that mouth chip 111 provides is properly termed as wan interface.Wherein, wan interface described here can be ADSL
(Asymmetric Digital Subscriber Line, Asymmetrical Digital Subscriber Line) interface and bus, using TDM
The E1/T1 Interface and bus of (Time Division Multiplexing, time division multiplexing) technology, Consle (serial ports) interfaces and
Bus or POS (Packet over SONET/SDH, SONET/SDH carryings packet) interface.In addition, interface chip 111 also passes through
Interface bus 131 connects the first logic device 112.
Ether exchange chip 122 is connected with the first logic device 112 and CPU 121 by ether bus 132 and 133 respectively
It connects.
Memory 123 connects CPU 121 by rambus 141.
Second logic device 124 is for example, by PCI-E (Peripheral Component Interconnect-
Express, expanding peripherals component connection standard) the I/O buses 142 such as bus connect CPU 121.Correspondingly, CPU 121 may have access to
Memory 123, also, the second logic device 124 can by CPU 121 with DMA (Direct Memory Access, directly in
Deposit access) mode accesses memory 123.Wherein, dma mode described here refers to：Connection rambus is carried in CPU 121
141 and corresponding memory 123 Memory Controller Hub, also carry connection PCI-E buses 142 and corresponding second in CPU 121 and patrol
The PCI-E controllers for collecting device 124, when the second logic device 124 accesses memory 123 with dma mode, in CPU 121
Visit order can be passed to Memory Controller Hub, to realize the direct access to memory 123 by PCI-E controllers.
Also, the second logic device 124 is also connect by managing bus 130 with the first logic device 112.Correspondingly,
Two logic devices 124 and the first logic device 112 can be by managing the transmission of bus 130 control message or management query message
Etc. the message for being related to routinely practical administration of the mainboard 12 to interface board 11.It can be LVDS (Low to manage bus 130
Voltage Differential Signaling, Low Voltage Differential Signal) bus or other can transmit mainboard 12 to interface board 11
Routinely practical administration message bus.
On the outgoing direction of the network equipment 100, the data Ethernet message that is sent out from CPU 121 by ether bus 133, with
Too exchange chip 122 and ether bus 132 are transmitted to the first logic device 112.
In entering on direction for the network equipment 100, the data Ethernet message that the first logic device 112 is sent out passes through ether bus
132, ether exchange chip 122 and ether bus 133 are transmitted to CPU 121.
That is, the ether bus 132 and 133 between ether exchange chip 122 and the first logic device 112 and CPU 121 is led
The transmission of data Ethernet message is undertaken, therefore, ether bus 132 and 133 can be considered as ether data channel, also, can
To think, the ether data channel by way of ether exchange chip 122 is formed between the first logic device 112 and CPU 121.Separately
Outside, ether data channel can be multiplexed with polylith interface board, also, interface board can logically create a plurality of logical channel, that is,
The a plurality of logical channel multiplexing that ether data channel can be marked off in logic.
It refers to Fig. 1 and in combination with Fig. 2, the transmission buffer queue having on outgoing direction is safeguarded in the first logic device 112
21 and enter order caching queue 22 on direction.
On outgoing direction, the data Ethernet message 40 from CPU 121, which is buffered in, to be sent in buffer queue 21, also, is sent out
After sending the data Ethernet message 40 in buffer queue 21 to be converted into external interface message 40 ', by interface bus 131 to interface
Chip 111 is sent out；
On entering direction, the external interface message 40 ' from interface chip 111 is converted into data Ethernet message 40, simultaneously
Be buffered in order caching queue 22, the data Ethernet message 40 in order caching queue 22 be admitted to ether data channel (that is,
Ether bus 132).
In addition, when interface board 11 is there are when a plurality of logical channel, each logical channel corresponds to one and sends caching team respectively
Row 21 and an order caching queue 22.
In order to enable whether transmissions of the perception data Ethernet message 40 on outgoing direction in time of CPU 121 occurs congestion,
First logic device 112 can also be according to the data Ethernet message 40 being sent in buffer queue 21 be sent, and construction includes transmission
Complete the flow control message of information.
The form that the flow control message and control message above-mentioned, management query message etc. are used uniformly atomic data packet exists
Bus transfer is managed, also, for a flow control message, can only be encapsulated as the atomic data packet of 8 bytes, without
It to be encapsulated as multiple atomic data packets as other messages such as control message, management query message.Accordingly, it is believed that
First logic device 112 can also be according to the data Ethernet message being sent in buffer queue 21 be sent, and construction includes to have sent
At the flow control atomic data packet 31 of information.
Fig. 3 is referred to, the flow control atomic data packet 31 that formed 8 byte is encapsulated by a flow control message may include
Lead code 311, type of message and serial number 312, valid data load 313, load verification 314, cut-off mark 315.Wherein, effectively
The following effective information of flow control message is carried in data load 314：
Interface panel sign 31a, mark construct the interface board 11 of the flow control atomic data packet 31；
Logical channel identifier 31b identifies the corresponding logic of information that is sent completely for including in the flow control message of encapsulation and leads to
Road；
It is sent completely information 30, indicates the transmission situation of ether data message of the counterlogic channel on outgoing direction,
For example, completing the number of the ether data message sent after upper flow control atomic data packet 31；
And reserved field 31c, it can be used for the extension to the flow control message of encapsulation.
The flow control atomic data packet 31 that first logic device 112 constructs can be prior to being inquired by control message, management
The messages such as message encapsulate other to be formed atomic data packet and are transmitted in management bus 130.Even if controlling message, management query message
Equal messages encapsulate the atomic data packet to be formed possibly more than one, and flow control atomic data packet 31 can also interrupt the same message
Continuous multiple atomic data packets and preferentially transmitted in management bus 130.
That is, management bus 130 not only undertakes the message transmissions for being related to routinely practical administration of the mainboard 12 to interface board 11,
Moreover, it is also possible to further undertake the transmission of flow control atomic data packet 31, therefore, it is logical that management bus 130 can be considered as management
Road and flow control channel.Also, the flow control atomic data packet 31 of the arbitrary logical channel of corresponding arbitrary interface board can pass through stream
Channel transfer is controlled, therefore, flow control channel can also be answered by polylith interface board and a plurality of logical channel marked off in logic
With.
Fig. 4 is referred to, after the second logic device 124 receives atomic data packet by managing bus 130, it is first right to need
The atomic data packet classification received, for example, can be according to the type of message in atomic data packet and point described in serial number execution
Class.
If the atomic data packet received belongs to control message or management query message etc. and is related to mainboard 12 to interface board 11
Routinely practical administration message atomic data packet 35, then the second logic device 124 can execute corresponding control operation
Or it manages inquiry operation and continues through management bus 130 and interacted with the first logic device 112.
If the atomic data packet received is flow control atomic data packet 31, the second logic device 124 can be from flow control original
Parsing is obtained being sent completely information 30 and be constructed comprising the flow control message 32 for being sent completely information 30 in subdata packet 31.Also,
Flow control message 32 can be written (dma mode may be used) memory 123 and notified (in may be used by the second logic device 124
Disconnected mode) CPU 121 reads from memory 123.
Fig. 5 is referred to, above-mentioned flow control message 32 can be I/O bus messages and include：
It is sent completely information 30；
Flow control significance bit 32a can be set to by the second logic device 124 effectively, to indicate that the flow control message 32 is current
It is not yet read by CPU 121, and is set in vain by CPU 121 after flow control message 32 is read by CPU 121；
Reserved field 32b can be used for the extension to flow control message 32.
It refers to Fig. 1 and combines Fig. 6, can be arranged in memory 123 and be sent completely queue, the second logic device 124 can be with
By the write-in of flow control message 32 to being sent completely in queue.Also, when there are polylith interface board and a plurality of logical channel, every piece connects
Each logical channel of oralia corresponds to one respectively in memory 123 and is sent completely queue, and the second logic device 124 can foundation
The interface panel sign and logical channel identifier parsed from flow control atomic data packet 31, identifies that flow control message 32 is corresponding and connects
Oralia and logical channel, and being sent completely to the identity logic channel of corresponding same-interface plate is written into flow control message 32
In queue.For example, for the logical channel j (i be positive integer with j) of interface board i, the second logic device 124 can be from transmission
The first address QueHeadAddress_i_j for completing queue starts to be sequentially written in the 1~M of flow control message in counterlogic channel (M is
Positive integer).
CPU 121 can obtain flow control message 32 by reading memory 123.For example, selecting monokaryon CPU for CPU 121
The case where, interrupt mode notice CPU 121 may be used in the second logic device 124, and correspondingly, CPU 121 is to respond interruption
Mode reads flow control message 32 from memory 123.For another example the case where selecting multi-core CPU for CPU 121, the second logic device
124 can not be and must notify CPU 121, but be read from memory 123 in a manner of poll by a specified core in CPU 121
Take flow control message 32.
Also, CPU 121 can be sent completely information Perception data Ethernet message in the side of going out according in flow control message 32
Whether upward transmission occurs congestion.In turn, in conjunction with flow control message 32 and its to be sent on outgoing direction ether data channel (that is,
Ether bus 133) data Ethernet message statistics, CPU 121 can be with summary responses data Ethernet message on outgoing direction
Congestion and congestion release.
It refers to Fig. 1 and combines Fig. 7, CPU 121 has network message protocol layer 401, driving layer 402 and is located at net
QOS queues 403 between network message protocol layer 401 and driving layer 402.
Network message protocol layer 401 is responsible for processing data Ethernet message 40, and can perception data Ethernet message in the side of going out
Whether upward transmission occurs congestion.
Layer 402 is driven to be responsible for executing biography of the data Ethernet message 40 by ether data channel on entering direction and outgoing direction
It is defeated, access memory 123 in flow control message 32, safeguard on outgoing direction be sent into ether data channel (that is, ether bus 133) number
According in the transmission statistical result and maintenance interface plate 11 of Ethernet message 40 transmission buffer queue 21 quene state 42 and on
Offer network message protocol layer 401.Also, when there are polylith interface board and a plurality of logical channel, driving layer 402 can foundation
The corresponding flow control message 32 read in queue that is sent completely safeguards the corresponding queue for sending buffer queue 21 from memory 123
State 42.
For outgoing direction, after data Ethernet message 40 is sent into ether data channel (that is, ether bus 133), driving
The transmission statistical result of the data Ethernet message 40 of ether data channel (that is, ether bus 133) is sent on 402 pairs of outgoing direction of layer
Add up corresponding numerical value.When the numerical value for sending statistical result reaches the caching upper limit for sending buffer queue 21, driving layer 402 will
Indicate that the quene state 42 of non-full state is set to full state.
Also, transmission can be completed according to being sent completely represented by information 30 in flow control message 32 in driving layer 402
Data Ethernet message 40 quantity, on outgoing direction be sent into ether data channel data Ethernet message 40 transmission count knot
Fruit reduces corresponding numerical value.When sending the numerical value of statistical result less than the caching upper limit for sending buffer queue 21, layer 402 is driven
It will indicate that the quene state 42 of full state is set to non-full state.
Correspondingly, if the quene state 42 that driving layer 402 is reported to network message protocol layer 401 is non-full, network report
Data Ethernet message 40 on outgoing direction is issued that (the data Ethernet message 40 cached in QOS queues 403 is excellent by literary protocol layer 401
First) to driving layer 402, the data Ethernet message 40 issued is sent into ether data channel (that is, ether bus by driving layer 402
133).If the quene state 42 that driving layer 402 is reported to network message protocol layer 401 is full, network message protocol layer 401 will
Data Ethernet message 40 on outgoing direction, which is sent into QOS queues, to be cached, until driving layer 402 is on network message protocol layer 401
The quene state 42 of report becomes non-full.
As above as it can be seen that the first logic device 112 of interface board 11 can be by the transmission of the data Ethernet message on outgoing direction
Completion information 30, which is encapsulated in flow control atomic data packet 31, to be reported, which, which can pass through, manages bus 130
It is forwarded to the second logic device 124 of mainboard 12, the second logic device 124 passes through the parsing energy to flow control atomic data packet 31
It accesses and is sent completely information 30 and is encapsulated in CPU 121 of the memory 123 for mainboard 12 that mainboard 12 is written in flow control message 32
Immediately it reads, the CPU 121 of mainboard 12 is enable to perceive whether the data Ethernet message on outgoing direction occurs congestion in time, to
Be conducive to accurately realize the QOS on network equipment outgoing direction.
Moreover, being sent completely reporting for information 30 is not take up ether data channel 133, so as to avoid influencing data with
The too transmission of message；And CPU 121 is to the processing for being sent completely information 30 of outgoing direction data Ethernet message and to entering direction
Data Ethernet message processing it is mutual indepedent, to realize the loose couplings that sends and receives of the CPU 121 to data Ethernet message
It closes.
Based on above-mentioned principle, the flow control method and device of the network equipment have been also correspondingly provided in embodiment below,
It is described in detail separately below.
Fig. 8 is referred to, in one embodiment, the flow control method of the network equipment can be applied to the interface board of the network equipment
Logic device (such as first logic device 112 shown in Fig. 1) in, also, the flow control method may include：
S811, according to the data Ethernet message being sent in buffer queue is sent, construction includes the stream for being sent completely information
Control atomic data packet；
S812 transmits the flow control atomic data packet constructed in management trunk priority in other atomic data packets.
Wherein, for forming a plurality of logical channel there are polylith interface board and interface board the case where, above-mentioned S811 is also
The interface panel sign of interface board can be further filled in flow control atomic data packet and the number sent is completed on outgoing direction
According to the corresponding logical channel identifier of Ethernet message.
Fig. 9 is referred to, in another embodiment, the flow control method of the network equipment can be applied to the mainboard of the network equipment
Logic device (such as second logic device 124 shown in Fig. 1) in, also, the flow control method may include：
S821 receives atomic data packet by managing bus；
S822 identifies the type of the atomic data packet received；
S823, if identifying, the atomic data packet received is flow control atomic data packet, from flow control atomic data packet
Parsing obtains being sent completely information；
S824, construction are sent completely the flow control message of information comprising this；
The memory of the CPU of mainboard is written in the flow control message constructed by S825.
Wherein, if 822 identify the atomic data packet received message or the atomic data of management query message in order to control
Packet then terminates current process, and executes corresponding control operation or management inquiry operation by other flows.Also, it is above-mentioned
Flow control message is written to memory in the mode that DMA may be used in S825, and, above-mentioned S825 can also further use interruption
Mode notifies CPU to read flow control message from memory.Also, for there are polylith interface boards and interface board to form a plurality of logic
The case where channel, above-mentioned S823 can further parsing obtains interface panel sign and logical channel from flow control atomic data packet
Mark, correspondingly, the interface panel sign and logical channel identifier that above-mentioned S825 can be obtained according to parsing write flow control message
Enter into memory corresponding be sent completely in queue.
Figure 10 is referred to, In yet another embodiment, the flow control method of the network equipment can be applied to the master of the network equipment
In the CPU (such as CPU 121 shown in Fig. 1) of plate, also, the flow control method may include：
S830 judges the state of transmission buffer queue safeguarded in the interface board of the network equipment；
Data Ethernet message on outgoing direction is sent into ether by S831 when the state of the transmission buffer queue is non-full
Data channel；
Data Ethernet message on outgoing direction is sent into QOS queues by S832 when the state for sending buffer queue is full
Caching, until the state of the transmission buffer queue becomes non-full.
S841 reads flow control when receiving the notice for reading memory from the logic device of mainboard from the memory of mainboard
Message；
S842, according on outgoing direction to be sent into ether data channel data Ethernet message statistics and read
Flow control message in be sent completely maintenance of information send buffer queue state.
Wherein, above-mentioned S841 can by way of poll or response interrupt mode from the memory of mainboard reading flow
Control message.Also, the case where for forming a plurality of logical channel there are polylith interface board and interface board, above-mentioned S841 is from right
The flow control message read in queue that is sent completely answered can be used for the state that S842 safeguards corresponding transmission buffer queue.
Figure 11 is referred to, corresponding flow control method as shown in Figure 8 accordingly provides a kind of network in one embodiment
The flow control apparatus 91 of equipment, the logic device which can be applied to the interface board of the network equipment (such as show in Fig. 1
The first logic device 112 gone out) in, also, the flow control apparatus 91 may include：
Data packet constructing module 911, according to the data Ethernet message being sent in buffer queue is sent, construction includes transmission
Complete the flow control atomic data packet of information；
Data packet reporting module 912, by the flow control atomic data packet constructed in management trunk priority in other atomicities
It is transmitted according to packet.
Wherein, for forming a plurality of logical channel there are polylith interface board and interface board the case where, above-mentioned data packet
Constructing module 911 can also further fill the interface panel sign of interface board and in outgoing direction in flow control atomic data packet
The upper corresponding logical channel identifier of data Ethernet message for completing to send.
Figure 12 is referred to, corresponding flow control method as shown in Figure 9 accordingly provides a kind of net in another embodiment
The flow control apparatus 92 of network equipment, the logic device which can be applied to the mainboard of the network equipment (such as show in Fig. 1
The second logic device 124 gone out) in, also, the flow control apparatus 92 may include：
Packet-receiving module 921 receives atomic data packet by managing bus；
Packet classification module 922 identifies the type of the atomic data packet received；
Resolve packet module 923, if identifying, the atomic data packet received is flow control atomic data packet, from flow control
Parsing obtains being sent completely information in atomic data packet；
Message constructing module 924, construction are sent completely the flow control message of information comprising this；
The memory of the CPU of mainboard is written in the flow control message constructed by information reporting module 925.
Wherein, above-mentioned information reporting module 925 may be used the mode of DMA and flow control message be written to memory, above-mentioned
Information reporting module 925 can notify CPU to read flow control message from memory in a manner of further using and interrupt.Also, for
The case where forming a plurality of logical channel there are polylith interface board and interface board, above-mentioned resolve packet module 923 can be into
One step parses from flow control atomic data packet and obtains interface panel sign and logical channel identifier, correspondingly, above-mentioned information reporting
The interface panel sign and logical channel identifier that module 925 can be obtained according to parsing flow control message are written into memory corresponding
It is sent completely in queue.
Refer to Figure 13, corresponding flow control method as shown in Figure 10 provides a kind of network and sets In yet another embodiment
Standby flow control apparatus 93, the flow control apparatus 93 include：
Drive module 931 is sent, when the state for the transmission buffer queue safeguarded in the interface board of the network equipment is non-full,
Data Ethernet message on outgoing direction is sent into ether data channel；
QOS cache modules 932, when the state for sending buffer queue is full, by the data ether report on outgoing direction
Text is sent into QOS queues and is cached, until the state for sending buffer queue becomes non-full；
Memory read module 933, when receiving the notice for reading memory from the logic device of mainboard, from the memory
Read flow control message；
Queue maintenance module 934, according on outgoing direction to be sent into ether data channel data Ethernet message statistics,
And it is sent completely the state that buffer queue is sent described in maintenance of information in the flow control message.
Wherein, above-mentioned memory read module 933 can be by way of poll or mode that response is interrupted is from mainboard
Flow control message is read in memory.Also, the case where for forming a plurality of logical channel there are polylith interface board and interface board, on
The memory read module 933 stated can be used for queue maintenance module from the corresponding flow control message read in queue that is sent completely
934 safeguard the corresponding state for sending buffer queue.
As a kind of optional scheme, above-mentioned flow control apparatus as shown in fig. 13 that 93 can by way of soft or hard combination come
It realizes.Figure 14 is referred to, (can be figure including CPU 931 (can be identical as CPU shown in Fig. 1 121) and memory 932
Memory 123 shown in 1 can also be other memories) hardware structure in, which can be to be stored in memory
Computer instruction in 932 can simultaneously be read to complete functions of modules as shown in fig. 13 that by CPU 931.To：
When the state for the transmission buffer queue safeguarded in the interface board of the network equipment is non-full, CPU 931 is by outgoing direction
On data Ethernet message be sent into ether data channel；
When the state for sending buffer queue is full, the data Ethernet message on outgoing direction is sent into QOS by CPU 931
It is cached in queue, until the state for sending buffer queue becomes non-full；
When receiving the notice for reading memory from the logic device of mainboard, CPU 931 (such as is shown from memory in Fig. 1
Memory 123) in read flow control message；
And CPU 931 also according on outgoing direction to be sent into ether data channel data Ethernet message statistics, with
And it is sent completely the state that buffer queue is sent described in maintenance of information in the flow control message.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (16)
1. a kind of flow control method of the network equipment, which is characterized in that the flow control method is applied to the interface board of the network equipment
In logic device, also, the flow control method includes：
According to the data Ethernet message being sent in buffer queue is sent, construction includes the flow control atomic data for being sent completely information
Packet；
By the flow control atomic data packet in management trunk priority in the logic of other mainboards of atomic data packet to the network equipment
Device transmit, for mainboard logic device by the way that the parsing of flow control atomic data packet is obtained being sent completely information and is encapsulated in
The memory of mainboard is written in flow control message and the CPU of mainboard is notified to be read from memory.
2. flow control method according to claim 1, which is characterized in that the flow control method is further in the flow control atom
The interface panel sign of the interface board is filled in data packet and the data ether sent is completed on the outgoing direction of the network equipment
The corresponding logical channel identifier of message.
3. a kind of flow control method of the network equipment, which is characterized in that the flow control method is applied to patrolling for the mainboard of the network equipment
It collects in device, also, the flow control method includes：
Atomic data packet is received by managing bus；
Identify the type of the atomic data packet received；
If identifying, the atomic data packet received is flow control atomic data packet, is parsed from the flow control atomic data packet
To being sent completely information；
Construction includes the flow control message for being sent completely information；
The flow control message is written to the memory of the CPU of mainboard and the CPU is notified to be read from the memory.
4. flow control method according to claim 3, which is characterized in that the flow control method is in a manner of DMA to described interior
Deposit the write-in flow control message.
5. flow control method according to claim 3, which is characterized in that the flow control method is notified described in a manner of interrupting
CPU。
6. flow control method according to claim 3, which is characterized in that the flow control method is according further to flow control original
Corresponding transmission is written into the memory in the flow control message by the interface panel sign in subdata packet and logical channel identifier
It completes in queue.
7. a kind of flow control apparatus of the network equipment, which is characterized in that the flow control apparatus is applied to the interface board of the network equipment
In logic device, also, the flow control apparatus includes：
Data packet constructing module, according to the data Ethernet message being sent in buffer queue is sent, construction includes to be sent completely letter
The flow control atomic data packet of breath；
Module is sent in data packet, and the flow control atomic data packet is set in other atomic data packets to network in management trunk priority
The logic device of standby mainboard transmits, for mainboard logic device by obtaining having sent to the parsing of flow control atomic data packet
At information and it is encapsulated in the memory of write-in mainboard in flow control message and the CPU of mainboard is notified to be read from memory.
8. flow control apparatus according to claim 7, which is characterized in that the data packet constructing module is further in the stream
The interface panel sign of the interface board is filled in control atomic data packet and the number sent is completed on the outgoing direction of the network equipment
According to the corresponding logical channel identifier of Ethernet message.
9. a kind of flow control apparatus of the network equipment, which is characterized in that the flow control apparatus is applied to patrolling for the mainboard of the network equipment
It collects in device, also, the flow control apparatus includes：
Packet-receiving module receives atomic data packet by managing bus；
Packet classification module identifies the type of the atomic data packet received；
Resolve packet module, if identifying, the atomic data packet received is flow control atomic data packet, from flow control original
Parsing obtains being sent completely information in subdata packet；
Message constructing module, construction include the flow control message for being sent completely information；
The flow control message is written the memory of the CPU of mainboard and the CPU is notified to be read from the memory by information reporting module
It takes.
10. flow control apparatus according to claim 9, which is characterized in that the information reporting module is in a manner of DMA to institute
It states memory and the flow control message is written.
11. flow control apparatus according to claim 9, which is characterized in that the information reporting module is led in a manner of interrupting
Know the CPU.
12. flow control apparatus according to claim 9, which is characterized in that the information reporting module is according further to described
Interface panel sign in flow control atomic data packet and logical channel identifier the flow control message are written into the memory corresponding
Be sent completely in queue.
13. a kind of network equipment, which is characterized in that including interface board and mainboard, the interface board has the first logic device, institute
Stating mainboard has CPU, memory, ether exchange chip and the second logic device；
First logic device is connected with second logic device by managing bus；
First logic device includes to be sent completely letter according to the data Ethernet message being sent in buffer queue, construction is sent
The flow control atomic data packet of breath, and, by the flow control atomic data packet in the management trunk priority in other atomic datas
Packet transmission；
Second logic device receives atomic data packet by managing bus and identifies the class of the atomic data packet received
Type, if identifying, the atomic data packet received is flow control atomic data packet, is parsed from the flow control atomic data packet
To being sent completely information, and, construction comprising the flow control message for being sent completely information is written the memory and described in notifying
CPU is read from the memory；
The CPU is when the state for sending buffer queue is non-full, described in the data Ethernet message feeding on outgoing direction
Ether data channel；When the state for sending buffer queue is full, the data Ethernet message on outgoing direction is sent into QOS teams
It is cached in row, until the state for sending buffer queue becomes non-full；It is received in reading from second logic device
When the notice deposited, flow control message is read from the memory；And according to the number to being sent into ether data channel on outgoing direction
The state of buffer queue is sent described in maintenance of information according to being sent completely in the statistics of Ethernet message and the flow control message.
14. the network equipment according to claim 13, which is characterized in that first logic device is further in the stream
The interface panel sign of the interface board is filled in control atomic data packet and the data ether sent is completed on the outgoing direction
The corresponding logical channel identifier of message；Second logic device is according further to the interface board in the flow control atomic data packet
Mark and logical channel identifier, be sent completely in queue corresponding into the memory is written by the flow control message；And institute
Flow control method is stated according to the flow control message read in queue from being sent completely in the memory, safeguards the corresponding hair
Send the state of buffer queue.
15. the network equipment according to claim 13, which is characterized in that second logic device in a manner of DMA to
The flow control message is written in the memory.
16. the network equipment according to claim 13, which is characterized in that second logic device is led in a manner of interrupting
Know the CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510083894.XA CN104601490B (en) | 2015-02-16 | 2015-02-16 | The flow control method and flow control apparatus and the network equipment of the network equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510083894.XA CN104601490B (en) | 2015-02-16 | 2015-02-16 | The flow control method and flow control apparatus and the network equipment of the network equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104601490A CN104601490A (en) | 2015-05-06 |
| CN104601490B true CN104601490B (en) | 2018-10-09 |
Family
ID=53127007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510083894.XA Active CN104601490B (en) | 2015-02-16 | 2015-02-16 | The flow control method and flow control apparatus and the network equipment of the network equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104601490B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106487721B (en) * | 2015-08-25 | 2019-10-08 | 新华三技术有限公司 | The network equipment and for the message forwarding method in the network equipment |
| US10817528B2 (en) | 2015-12-15 | 2020-10-27 | Futurewei Technologies, Inc. | System and method for data warehouse engine |
| CN105893323A (en) * | 2016-05-23 | 2016-08-24 | 华为技术有限公司 | Data reading method and data reading equipment |
| CN112887059B (en) * | 2021-01-26 | 2023-04-07 | 芯河半导体科技(无锡)有限公司 | Method for expanding MAC frame format in-band transmission flow control data |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6167029A (en) * | 1998-10-13 | 2000-12-26 | Xaqti Corporation | System and method for integrated data flow control |
| CN1494003A (en) * | 2002-10-30 | 2004-05-05 | 华为技术有限公司 | Device and method for realizing interface conversion |
| CN101047615A (en) * | 2006-05-14 | 2007-10-03 | 华为技术有限公司 | Control method for Ethernet data flow |
| CN101119379A (en) * | 2007-09-07 | 2008-02-06 | 中兴通讯股份有限公司 | Method and apparatus for implementing mutual communication of processor and switching chip |
| CN101188560A (en) * | 2007-12-18 | 2008-05-28 | 杭州华三通信技术有限公司 | Method and device for dynamically detecting forward capability |
| CN103546386A (en) * | 2013-10-24 | 2014-01-29 | 迈普通信技术股份有限公司 | Method and system for flow control over data message sent by router |
-
2015
- 2015-02-16 CN CN201510083894.XA patent/CN104601490B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6167029A (en) * | 1998-10-13 | 2000-12-26 | Xaqti Corporation | System and method for integrated data flow control |
| CN1494003A (en) * | 2002-10-30 | 2004-05-05 | 华为技术有限公司 | Device and method for realizing interface conversion |
| CN101047615A (en) * | 2006-05-14 | 2007-10-03 | 华为技术有限公司 | Control method for Ethernet data flow |
| CN101119379A (en) * | 2007-09-07 | 2008-02-06 | 中兴通讯股份有限公司 | Method and apparatus for implementing mutual communication of processor and switching chip |
| CN101188560A (en) * | 2007-12-18 | 2008-05-28 | 杭州华三通信技术有限公司 | Method and device for dynamically detecting forward capability |
| CN103546386A (en) * | 2013-10-24 | 2014-01-29 | 迈普通信技术股份有限公司 | Method and system for flow control over data message sent by router |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104601490A (en) | 2015-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105991471B (en) | The flow control method and flow control apparatus and the network equipment of the network equipment | |
| KR101502610B1 (en) | 50 Gb/s ETHERNET USING SERIALIZER/DESERIALIZER LANES | |
| DE60213616T2 (en) | A GENERAL INPUT / OUTPUT ARCHITECTURE, PROTOCOL AND CORRESPONDING METHODS FOR IMPLEMENTING RIVER CONTROL | |
| CN104601490B (en) | The flow control method and flow control apparatus and the network equipment of the network equipment | |
| TWI538453B (en) | Universal network interface controller | |
| US7296093B1 (en) | Network processor interface system | |
| CN106411740B (en) | Network port extended method based on ethernet controller | |
| TW318986B (en) | ||
| CN101867511B (en) | Pause frame sending method, associated equipment and system | |
| WO2016078312A1 (en) | Single board testing method and device | |
| CN109408424B (en) | PCIe interface-based SpaceFibre bus data acquisition method | |
| CN108183917A (en) | DDoS attack cross-layer cooperative detection method based on software defined network | |
| CN104092632B (en) | A kind of network equipment | |
| TW200947957A (en) | Non-block network system and packet arbitration method thereof | |
| JP5141830B2 (en) | Communication device, statistical information collection control device, and statistical information collection control method | |
| CN102571933A (en) | Reliable message transmission method | |
| GB2401518A (en) | Efficient arbitration using credit based flow control | |
| JP5687959B2 (en) | I / O device sharing method and apparatus | |
| CN103995789B (en) | A kind of direct memory access realizes system and method | |
| CN104518989B (en) | The exchange apparatus of network element for data transmission network | |
| WO2013078873A1 (en) | Method and device for identifying response message | |
| US7218638B2 (en) | Switch operation scheduling mechanism with concurrent connection and queue scheduling | |
| CN102984082A (en) | Network service quality control method and device | |
| CN101242366A (en) | A router and management and control method for router | |
| CN108011795B (en) | A kind of method and system for realizing more boards and multiple data channel management in communication equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Applicant after: Xinhua three Technology Co., Ltd. Address before: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No. Applicant before: Huasan Communication Technology Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |