CN101771658B - High speed protocol mapping interface and realization method thereof - Google Patents
High speed protocol mapping interface and realization method thereof Download PDFInfo
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- CN101771658B CN101771658B CN 200810098898 CN200810098898A CN101771658B CN 101771658 B CN101771658 B CN 101771658B CN 200810098898 CN200810098898 CN 200810098898 CN 200810098898 A CN200810098898 A CN 200810098898A CN 101771658 B CN101771658 B CN 101771658B
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Abstract
The invention relates to a high speed protocol mapping interface and a realization method thereof, which solves the technical problems of incapability of being used in special conditions, relative redundancy in support of high layer protocol and incomplete support for some special service. The realization method has the steps as follows: performing parallel treatment on three parts of an FC frame; increasing control interfaces for the high layer protocol; increasing parts of controlling the high layer protocol in a state machine; and ensuring transparent treatment on a host interface part. The invention has higher protocol expandability, and improves organization and analysis efficiencies of the frame.
Description
Technical field
The present invention relates to a kind of high speed protocol mapping interface and its implementation.
Background technology
The FC communication technology is a kind of optical communication technique that proposes towards the requirement of storage area network, has in the aviation electronics field comparatively widely to use.But the application at home of FC technology all is limited to the black box mode, this mainly be because following some:
1, key technology is all controlled by external some communication manufacturers or technological associations, and it has carried out blockade on new techniques to country or company without this technology.
2, general FC technology all is to provide towards general field, can not be applied to special environment, for example, and high temperature, severe cold, vibrations, the environment such as corrosion.
3, general FC technology is relatively more redundant in the support of upper-layer protocol in addition, can not meet the demands fully for the application scenario of highly reliable high speed.
4, perfect not for the support of some special services, such as registering functional of implicit expression etc.
The service that 5, need to clearly need to forbid for some special applications has also realized, has limited its application scenario.
Summary of the invention
Purpose of the present invention is for providing a kind of high speed protocol mapping interface and its implementation, higher agreement extensibility, the tissue that has improved frame and analyzing efficiency, its solved in the support that can not be applied to particular surroundings, upper-layer protocol relatively more redundant, for the perfect not technical problem of the support of some special services.
Technical solution of the present invention is:
A kind of high speed protocol mapping interface, its different part is:
Comprise the control of FC frame, upper-layer protocol head, FC frame payload, four functional modules of state machine; Wherein, the control of FC frame, upper-layer protocol head, FC frame payload link to each other with state machine respectively, realize automatic transmission and the automatic reception of the control of FC frame, upper-layer protocol head, FC frame payload and state machine.
A kind of method that realizes high speed protocol mapping interface as claimed in claim 1, its special character is to comprise following steps:
1] the FC frame is carried out three part parallels and process, comprise the control of FC frame, upper-layer protocol head and FC frame payload;
2] control interface of increase upper-layer protocol;
3] increase the part of controlling about upper-layer protocol in the state machine, automatic transmission and the automatic reception of the various piece of the FC frame after hinting obliquely at the realization upper-layer protocol, the processing expenditure of reduction software.
Said method comprises step 4] host interface is partly accomplished transparent processing.
The present invention has following advantage:
The present invention is in a kind of interface architecture that adopts that realizes the upper-layer protocol mapping interface, in conjunction with the software and hardware function, has realized the mapping interface of upper-layer protocol possessing simultaneously following advantage in a kind of comparatively simple mode:
1, higher agreement extensibility need to not increase extra parts at hardware and just can satisfy the needs that a plurality of upper-layer protocols are hinted obliquely at;
2, improve tissue and the analyzing efficiency of frame, can satisfy the high efficiency requirement of protocol processes;
3, possess simple access control interface, can pass through the less external multiple different interface of change, comprise pci bus, memory bus etc.
4, can reduce the design work amount, guarantee to possess preferably versatility.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
Referring to Fig. 1, the present invention is a kind of high speed protocol mapping interface and its implementation.
Wherein the FC high speed protocol mapping interface includes the control of FC frame, upper-layer protocol head, FC frame payload and four functional modules of state machine; Wherein, the control of FC frame, upper-layer protocol head, FC frame payload link to each other with state machine respectively, realize automatic transmission and the automatic reception of the control of FC frame, upper-layer protocol head, FC frame payload and state machine.
The present invention realizes the method for above-mentioned high speed protocol mapping interface, comprises following steps:
1] the FC frame is carried out three section processes, comprise the control of FC frame, upper-layer protocol head and FC frame payload; Process bus realization different piece by agreement association and independently control, increase the hardware concurrent disposal ability, to realize higher agreement extensibility.
2] increase the control interface of upper-layer protocol, just can realize hinting obliquely at of different upper-layer protocols by change software so that need not hardware change.
3] increase the part of controlling about upper-layer protocol in the state machine, automatic transmission and the automatic reception of the various piece of the FC frame after hinting obliquely at the realization upper-layer protocol reduce the processing expenditure of software to resource and time.
3] host interface is partly accomplished transparent processing, and the simplest memory bus interface is provided, with the simplification of guarantee using.
Claims (1)
1. a method that realizes the FC high speed protocol mapping interface is characterized in that, described FC high speed protocol mapping interface comprises the control of FC frame, upper-layer protocol head, FC frame payload, four functional modules of state machine; Wherein, the control of FC frame, upper-layer protocol head, FC frame payload link to each other with state machine respectively, realize automatic transmission and the automatic reception of the control of FC frame, upper-layer protocol head, FC frame payload and state machine; Described method comprises following steps:
1] the FC frame is carried out three part parallels and process, comprise the control of FC frame, upper-layer protocol head and FC frame payload;
2] control interface of increase upper-layer protocol;
3] increase the part of controlling about upper-layer protocol in the state machine, automatic transmission and the automatic reception of the various piece of the FC frame after hinting obliquely at the realization upper-layer protocol, the processing expenditure of reduction software.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810098898 CN101771658B (en) | 2008-12-31 | 2008-12-31 | High speed protocol mapping interface and realization method thereof |
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| CN 200810098898 CN101771658B (en) | 2008-12-31 | 2008-12-31 | High speed protocol mapping interface and realization method thereof |
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| CN101771658A CN101771658A (en) | 2010-07-07 |
| CN101771658B true CN101771658B (en) | 2013-03-13 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004064324A1 (en) * | 2003-01-10 | 2004-07-29 | Cisco Technology, Inc. | Port adapter network-analyzer |
| CN101175077A (en) * | 2007-10-26 | 2008-05-07 | 华中科技大学 | Intellectual property nucleus of optical fiber channel |
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2008
- 2008-12-31 CN CN 200810098898 patent/CN101771658B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004064324A1 (en) * | 2003-01-10 | 2004-07-29 | Cisco Technology, Inc. | Port adapter network-analyzer |
| CN101175077A (en) * | 2007-10-26 | 2008-05-07 | 华中科技大学 | Intellectual property nucleus of optical fiber channel |
Non-Patent Citations (2)
| Title |
|---|
| 张利洲等.光纤通道节点端口状态机的分析、建模与仿真.《航空计算技术》.2007,第37卷(第3期),第90-93页. * |
| 潘金都.浅谈光纤通道(FC)技术.《电视工程》.2004,第50-52页. * |
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| CN101771658A (en) | 2010-07-07 |
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