CN104125128B - Method for supporting VLAN (virtual local area network) by aid of Linux soft bridge - Google Patents

Method for supporting VLAN (virtual local area network) by aid of Linux soft bridge Download PDF

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Publication number
CN104125128B
CN104125128B CN201410395046.8A CN201410395046A CN104125128B CN 104125128 B CN104125128 B CN 104125128B CN 201410395046 A CN201410395046 A CN 201410395046A CN 104125128 B CN104125128 B CN 104125128B
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vlan
port
bridge
network
chained list
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CN104125128A (en
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周转运
李长春
王志军
赵伟
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Fiberhome Telecommunication Technologies Co Ltd
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Fiberhome Telecommunication Technologies Co Ltd
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Publication of CN104125128A publication Critical patent/CN104125128A/en
Priority to PCT/CN2015/086354 priority patent/WO2016023443A1/en
Priority to RU2016146821A priority patent/RU2669684C2/en
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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
    • 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
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • 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
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H04L12/4675—Dynamic sharing of VLAN information amongst network nodes
    • H04L12/4679—Arrangements for the registration or de-registration of VLAN attribute values, e.g. VLAN identifiers, port VLAN membership

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)

Abstract

The invention discloses a method for supporting a VLAN (virtual local area network) by the aid of a Linux soft bridge. The method includes steps of creating the network bridge br0 and a VLAN port in a Linux kernel, adding network ports and the VLAN port into the network bridge br0 to form corresponding network bridge ports and maintaining the network bridge ports in a VLAN port linked list group form; configuring the network bridge ports in the network bridge br0 and creating or updating corresponding VLAN port linked lists; forwarding data on the basis of the VLAN by the aid of the network bridge br0. The method has the advantages that the VLAN can be supported by the aid of the network bridge of a Linux network protocol stack, and layer-2 forwarding on the basis of the VLAN can be implemented on the different network ports; the method is beneficial to implementing layer-2 VLAN functions of Linux-based network equipment on the basis of supporting routes, the VLAN ports and the network ports in the bridge can be flexibly configured, and the shortcoming that VLAN functions are not supported by an existing Linux soft bridge can be overcome.

Description

The method that the soft bridges of Linux support VLAN
Technical field
The present invention relates to the network equipment, and in particular to the method that the soft bridges of Linux support VLAN.
Background technology
(SuSE) Linux OS is widely used to various embedded systems.With following excellent compared with other operating systems Gesture：First, Linux is open source code, there is no black box technology, and the numerous Linux fans for spreading all over the world are Linux again The powerful technical support of developer；Secondly, the kernel of Linux is little, efficiency high, and quickly, Linux can be the renewal speed of kernel Customization, its system kernel is minimum to only have K bytes about up to a hundred；Finally, Linux is free OS, the great competitiveness in price. In addition, Linux also has a many characteristics required for embedded OS, prominent be exactly Linux be adapted to various CPU with Multiple hardwares platform, is a cross-platform system.Linux has most complete to ICP/IP protocol the most frequently used in network Hold, there is provided including 10,000,000,100,000,000, the Ethernet of gigabit and wireless network, token-ring network, in addition the support of satellite, institute The network equipment is suitable for Linux.
(SuSE) Linux OS has huge market prospect and commercial opportunity, occurs in that substantial amounts of specialized company and product Product, such as Montavista Lineo Emi etc., have employer's organization such as Embedded Linux Consortum etc., obtain world's work Name Computer Company and the support of OEM Ban Ji manufacturers, such as IBM Motorola Intel etc..Traditional embedded system manufacturer Also use Linux tactful, such as Lynxworks Windriver QNX etc., a large amount of built-in Linuxes on also Internet The support of fan.Built-in Linux is supported almost all of embedded type CPU and is transplanted to almost all of embedded OEM Plate.
(SuSE) Linux OS application widely, main application have information household appliances, PDA, network, It is Ethernet Switches, Router, Bridge, Hub, Remote access servers, ATM, Frame relay, remote Cheng Tongxin, medical electronics, transportation computer peripheral equipment, Industry Control, aerospace field etc..
All there is the bridging requirement between heterogeneous networks port at present in the equipment such as router applications and bridge, for example wirelessly Bridge data is needed between WiFi ports and ethernet port, between user-side port and network-side port etc..
Linux network protocol stacks realize basic bridge function, support the MAC address learning of bridge, aging and data Bag forwarding capability, can carry out the establishment of bridge in real time, and the port in bridge can be entered Mobile state addition and delete, and support STP associations View etc..Linux kernel network protocol stack realizes 802.1Q protocol stacks in real network port basis in addition, by what is created Virtual network interface, can process the packet with 802.1Q labellings, for adding and deleting labelling, while can be according to labelling In 802.1p realize priority processing.
But the soft bridge of Linux network protocol stacks does not support functionality of vlan, and for the network equipments such as bridge, typically all Need to support functionality of vlan, therefore the soft bridge of Linux network protocol stacks has functional defect.
The content of the invention
The technical problem to be solved is the problem that the soft bridges of Linux do not support functionality of vlan.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is to provide a kind of soft bridges of Linux and supports The method of VLAN, comprises the following steps：
Step A10, bridge br0 and vlan network port are created in linux kernel, and by the network port and vlan network end Mouth forms corresponding bridge port in being added to bridge br0, and bridge port is safeguarded in the form of vlan port chained list group；
Bridge port in step A20, configuration bridge br0, creates or updates correspondence vlan port chained list；
Step A30, the data forwarding using bridge br0 realizations based on VLAN.
(1) one group of VLAN ID identicals bridge port is organized by a vlan port chained list；
(2) it is used for comprising the chained list header for pointing to affiliated vlan port chained list in the structure member of each bridge port The all ends on VLAN are traveled through during packet flooding forwarding；
(3), when new vlan network port is created in bridge, need to create new vlan port chained list；
(4), when adding the network port or vlan network port to bridge, looked into according to PVID the or VLAN ID of bridge port Correspondence vlan port chained list is looked for, adds bridge port to the table tail of the vlan port chained list；
(5) delete in bridge the network port or during vlan network port, correspondence is searched according to the VLANID of bridge port Vlan port chained list, the corresponding member of traversal vlan port chain table search, is deleted.
In the above-mentioned methods, step A20 is comprised the following steps：
Step A21, the network port of configuration vlan network port and VLAN ID, create the virtual port based on 802.1Q, The PVID attributes of Configuration network port；
Whether step A22, the newly-increased bridge port of judgement are the network port, if the network port, then obtain the bridge end The PVID of mouth, goes to step A23；The VLAN ID of the virtual port if vlan network port, are then obtained, A23 is gone to step；
Step A23, with VLAN ID or PVID as index, search correspondence vlan port chained list whether there is, if do not deposited Creating new vlan port chained list；If it does, newly-increased bridge port is added corresponding vlan port chained list.
In the above-mentioned methods, step A30 is comprised the following steps：
Step A31, the network port receive packet；
Step A32, the packet is checked whether with 802.1Q TAG, if data pack protocol type is 802.1Q, Go to step A33；A34 is gone to step otherwise；
Step A33, the 802.1Q fields peeled off in packet, the receiving port for changing packet is vlan network port, Go to step A34；
Whether step A34, the receiving port for judging packet are bridge port, if it is, going to step
Step A35, packet are processed into bridge protocol stack, and are created or updated forward table；
Step A36, the target MAC (Media Access Control) address for judging packet are broadcast address or unicast address, if broadcast address, A39 is gone to step then；A37 is gone to step otherwise；
Step A37, forward table is searched according to packet rs destination MAC Address and vlan information；
If existed and target MAC (Media Access Control) address identical vlan network port in step A38, forward table, A40 is gone to step；Such as Fruit is not present, then go to step A39；
Step A39, according to the network port VLAN id informations of receiving data bag, obtain the bridge belonging to the bridge port Vlan port chained list, is flooded to other network ports in vlan port chained list；
Step A40, navigate to and target MAC (Media Access Control) address identical vlan network port, forwarded by bridge port；
Step A41, judge whether bridge port is vlan network port, if it is, going to step A42；Otherwise go to step A43；
Step A42, corresponding 802.1Q TAG are added by 802.1Q protocol stacks, go to step A43；
Step A43, packet is sent via the network port；
Step A44, end.
The present invention, on the basis of the soft bridge protocol stacks of Linux, when the study of forward table list item is carried out, the end based on packet Message ceases with VLAN ID to update forwarding-table item；When forwarding destination interface is determined, comparison sheet is gone back in addition to inquiring about destination interface The VLAN ID of item vlan information and packet, determine to forward destination interface, it is achieved thereby that the functionality of vlan of the soft bridges of Linux.
Description of the drawings
Fig. 1 is the method flow diagram that the soft bridges of Linux support VLAN；
Fig. 2 is linux kernel bridge vlan port chained list；
Fig. 3 is the configuration vlan port flow chart that the soft bridges of Linux support VLAN；
Fig. 4 is the data forwarding flow chart that soft bridge supports VLAN.
Specific embodiment
The present invention is described in detail with reference to Figure of description and specific embodiment.
The network equipment of the implementation environment of the present embodiment for embedded Linux system, it is assumed that the network-side of the network equipment Mouth is respectively eth0, and eth1, eth2, eth3, eth4 ..., VLAN configurations are as follows：
eth0:PVID is 100, while belonging to VLAN 101,102,103,104；
eth1:PVID is 101, while belonging to VLAN 100,102,103,104；
eth2:PVID is 102, while belonging to VLAN 101,100,103,104；
eth3:PVID is 103, while belonging to VLAN 101,102,100,104；
eth4:PVID is 104, while belonging to VLAN 101,102,103,100；
…
As shown in figure 1, the soft bridges of Linux that the present invention is provided support that the method for VLAN is comprised the following steps：
Step A10, bridge br0 and vlan network port (virtual port are created in the linux kernel of the network equipment Ethx.xxx), and by the network port (physical port ethx, with PVID attributes) and vlan network port it is added to bridge br0 Middle to form corresponding bridge vlan port (abbreviation bridge port), bridge port is in linux kernel with VLAN as shown in Figure 2 The form of port chained list group is safeguarded.For example in Fig. 2 the first rows：VLAN100 represents VLAN ID=100 bridge ports, eth0 The network port is represented, eth1.100, eth2.100, eth3.100, eth4.100 represent bridge port identical vlan network end Mouthful.
The maintaining method of vlan port chained list is as follows：
(1) one group of VLAN ID identicals bridge port is organized by a vlan port chained list, each in such as Fig. 2 OK；
(2) comprising the linked list head for pointing to the affiliated vlan port chained list of the bridge port in the structure member of each bridge port Information, travels through all of the port on the VLAN when flooding and forward for packet；
(3) when new vlan network port is created in bridge, new vlan port chain need to be created
(4), when adding the network port or vlan network port to bridge, looked into according to PVID the or VLAN ID of bridge port Correspondence vlan port chained list is looked for, and adds bridge port to the table tail of vlan port chained list；
(5) when the network port or vlan network port are deleted from bridge, searched according to the VLAN ID of bridge port Correspondence vlan port chained list, the corresponding member of traversal vlan port chain table search, and delete from vlan port chained list.
Bridge port in step A20, configuration bridge br0, creates or updates corresponding vlan port chained list.
Bridge port includes the network port and vlan network port information, and the wherein network port has PVID attributes, PVID For the port vlan ID of the network port.
As shown in figure 3, step A20 specifically includes following steps：
Step A21, by local WEB administration pages, by the network port (ethx) of newly-increased vlan network port and VLAN ID are configured to the form of the virtual port (ethx.xxx) of 802.1Q, wherein, vlan network port is based on actual net Network port is configured, and VLAN scopes are from 1-4095；Belonged to by the PVID of local WEB administration pages Configuration network port (ethx) Property, in the case of not configuring, all-network port PVID is 1；
Step A22, the network port and the new vlan network port for creating are added to into bridge br0 (having increased bridge port newly) Afterwards, judge whether the bridge port is the network port, if the network port, then obtain the PVID of the bridge port, go to step A23；The VLAN ID of the vlan network port if vlan network port, are then obtained, A23 is gone to step；
Step A23, with PVID or VLAN ID as index, search corresponding vlan port chained list and whether there is, if not Exist, then create new vlan port chained list；If it is present newly-increased bridge port is added to corresponding vlan port chain Safeguarded in table.
Step A30, the data forwarding using bridge br0 realizations based on VLAN.
As shown in figure 4, step A30 specifically includes following steps：
Whether bridge Hook Function in step A32, linux kernel checks the packet with 802.1QTAG, if data Packet protocol type is 802.1Q, then go to step A33；If data pack protocol type is not 802.1Q, A34 is gone to step；
Step A33, the 802.1Q fields in packet are peeled off by 802.1Q protocol stack processing datas bags, change packet Receiving port is vlan network port (ethx.xxx), goes to step A34；
Whether step A34, the receiving port for judging packet are bridge port, if it is, going to step A35, are otherwise sent The process of Linux upper-layer protocols stack, terminates；
Step A35, packet are processed into bridge protocol stack, and in bridge br0, based on source data packet MAC Address Forward table is searched with vlan information, if it does not exist, then addition forwarding-table item, if it is present updating forwarding-table item timestamp；
Step A36, the target MAC (Media Access Control) address for judging packet are broadcast address or unicast address, if broadcast address, A39 is gone to step then；If packet rs destination MAC Address is unicast address, A37 is gone to step；
Step A37, forward table is searched according to packet rs destination MAC Address and vlan information；
If existed and target MAC (Media Access Control) address identical vlan network port in step A38, forward table, A40 is gone to step；Such as Fruit is not present, then go to step A39；
Step A39, according to the network port VLAN id informations of receiving data bag, obtain the bridge belonging to the bridge port Vlan port chained list, is flooded to other network ports in vlan port chained list；
Step A40, navigate to and target MAC (Media Access Control) address identical vlan network port, forwarded by bridge port；
Due to the establishment of vlan port chained list, broadcast packet flooding scope is made to be confined to the soft bridge end divided with identical VLAN Between mouthful；
Step A41, judge whether bridge port is vlan network port, if it is, going to step A42；Otherwise go to step A43；
Step A42, corresponding 802.1Q TAG are added by 802.1Q protocol stacks, go to step A43；
Step A44, end.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the knot made under the enlightenment of the present invention Structure change, it is every with of the invention with same or like technical scheme, each fall within protection scope of the present invention.

Claims (3)

  1. The method that the soft bridges of 1.Linux support VLAN, it is characterised in that comprise the following steps：
    Step A10, bridge br0 and vlan network port are created in linux kernel, and the network port and vlan network port are added Enter in bridge br0 to be formed corresponding bridge port, bridge port is safeguarded in the form of vlan port chained list group；
    Bridge port in step A20, configuration bridge br0, creates or updates corresponding vlan port chained list；
    Step A30, the data forwarding using bridge br0 realizations based on VLAN；
    In step A10, the maintaining method of bridge vlan port chained list is as follows：
    (1) one group of VLAN ID identicals bridge port is organized by a vlan port chained list；
    (2) comprising the chained list header for pointing to affiliated vlan port chained list in the structure member of each bridge port, for data The all of the port on VLAN is traveled through during bag flooding forwarding；
    (3), when new vlan network port is created in bridge, need to create new vlan port chained list；
    (4), when adding the network port or vlan network port to bridge, it is right to be searched according to PVID the or VLAN ID of bridge port Vlan port chained list is answered, adds bridge port to the table tail of the vlan port chained list；
    (5) delete in bridge the network port or during vlan network port, correspondence VLAN is searched according to the VLAN ID of bridge port Port chained list, the corresponding member of traversal vlan port chain table search, is deleted.
  2. 2. the method for claim 1, it is characterised in that step A20 is comprised the following steps：
    Step A21, the network port of configuration vlan network port and VLAN ID, create the virtual port based on 802.1Q, configuration The PVID attributes of the network port；
    Whether step A22, the newly-increased bridge port of judgement are the network port, if the network port, then obtain the bridge port PVID, goes to step A23；The VLAN ID of the virtual port if vlan network port, are then obtained, A23 is gone to step；
    Step A23, with VLAN ID or PVID as index, search correspondence vlan port chained list whether there is, if it does not, Create new vlan port chained list；If it does, newly-increased bridge port is added corresponding vlan port chained list.
  3. 3. the method for claim 1, it is characterised in that step A30 is comprised the following steps：
    Step A31, the network port receive packet；
    Step A32, check that the packet, whether with 802.1Q TAG, if data pack protocol type is 802.1Q, turns step Rapid A33；A34 is gone to step otherwise；
    Step A33, the 802.1Q fields peeled off in packet, the receiving port for changing packet is vlan network port, turns step Rapid A34；
    Whether step A34, the receiving port for judging packet are bridge port, if it is, going to step A35；Linux is sent otherwise The process of upper-layer protocol stack, terminates；
    Step A35, packet are processed into bridge protocol stack, and are created or updated forward table；
    Step A36, the target MAC (Media Access Control) address for judging packet are broadcast address or unicast address, if broadcast address, are then turned Step A39；A37 is gone to step otherwise；
    Step A37, forward table is searched according to packet rs destination MAC Address and vlan information；
    If existed and target MAC (Media Access Control) address identical vlan network port in step A38, forward table, A40 is gone to step；If no Exist, then go to step A39；
    Step A39, according to the network port VLAN id informations of receiving data bag, obtain the bridge VLAN belonging to the bridge port Port chained list, is flooded to other network ports in vlan port chained list；
    Step A40, navigate to and target MAC (Media Access Control) address identical vlan network port, forwarded by bridge port；
    Step A41, judge whether bridge port is vlan network port, if it is, going to step A42；A43 is gone to step otherwise；
    Step A42, corresponding 802.1Q TAG are added by 802.1Q protocol stacks, go to step A43；
    Step A43, packet is sent via the network port；
    Step A44, end.
CN201410395046.8A 2014-08-12 2014-08-12 Method for supporting VLAN (virtual local area network) by aid of Linux soft bridge Active CN104125128B (en)

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PCT/CN2015/086354 WO2016023443A1 (en) 2014-08-12 2015-08-07 Method for supporting vlan by means of linux soft bridge
RU2016146821A RU2669684C2 (en) 2014-08-12 2015-08-07 Method of vlan support with linux software bridge

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104125128B (en) * 2014-08-12 2017-04-12 烽火通信科技股份有限公司 Method for supporting VLAN (virtual local area network) by aid of Linux soft bridge
CN104410559A (en) * 2014-12-18 2015-03-11 武汉长光科技有限公司 A method for achieving multiple routing and bridging of home gateway using single network bridge
CN105227424B (en) * 2015-10-20 2018-05-15 成都广达新网科技股份有限公司 A kind of EOC local sides are by cascading the method and system of bridge virtual interface
CN106656815A (en) * 2015-10-30 2017-05-10 阿里巴巴集团控股有限公司 Virtual network message processing method and device
CN105245431A (en) * 2015-11-10 2016-01-13 上海斐讯数据通信技术有限公司 VLAN (Virtual Local Area Network) implementation method and VLAN system based on Lunix system
CN106817439A (en) * 2017-02-10 2017-06-09 武汉卓威视讯科技有限公司 A kind of method for obtaining MAC Address
CN107566238B (en) * 2017-08-30 2020-03-27 成都安恒信息技术有限公司 Method for automatically identifying vlan frame and non-vlan frame through user-state configuration physical interface
CN110401923B (en) * 2019-04-19 2021-08-10 广州天链通信科技有限公司 Method for simultaneously supporting VSAT terminal network bridge and routing mode and VSAT terminal
CN111917626B (en) * 2020-08-14 2022-01-18 上海中兴易联通讯股份有限公司 Centralized forwarding method for Wlan AC service data and electronic equipment
CN115883349A (en) * 2021-09-26 2023-03-31 华为技术有限公司 Network configuration method, router, storage medium, and program product

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102647359A (en) * 2012-04-26 2012-08-22 网经科技（苏州）有限公司 Method for implementing network bridge IGMP (internet group management protocol) Snooping based on DSA TAG (digital signature algorithm tag) and user-defined protocol stack
CN102780627A (en) * 2012-07-31 2012-11-14 深圳市共进电子股份有限公司 Method for forwarding Linux kernel protocol stack network bridge data

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100309819A1 (en) * 2009-06-09 2010-12-09 Sony Corporation And Sony Electronics Inc. System and method for effectively implementing an enhanced router device
EP2267983B1 (en) * 2009-06-22 2018-08-08 Citrix Systems, Inc. System and method for providing link management in a multi-core system
CN104125128B (en) * 2014-08-12 2017-04-12 烽火通信科技股份有限公司 Method for supporting VLAN (virtual local area network) by aid of Linux soft bridge

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102647359A (en) * 2012-04-26 2012-08-22 网经科技（苏州）有限公司 Method for implementing network bridge IGMP (internet group management protocol) Snooping based on DSA TAG (digital signature algorithm tag) and user-defined protocol stack
CN102780627A (en) * 2012-07-31 2012-11-14 深圳市共进电子股份有限公司 Method for forwarding Linux kernel protocol stack network bridge data

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WO2016023443A1 (en) 2016-02-18
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RU2016146821A (en) 2018-09-13

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