Ethernet data packet detection device based on multistage pipeline bloom filter

Abstract

The invention discloses an Ethernet data packet detection device based on a multistage pipeline bloom filter. The device comprises a preprocessing module, a multistage pipeline bloom filter module, a register module, a receiving buffering module and an output module, wherein the register module is connected with the receiving buffering module and the output module, the multistage pipeline bloom filter module comprises multistage sequentially connected single-stage bloom filter modules, and the single-stage bloom filter modules are further connected with a pipeline synchronization module; the single-stage bloom filter module comprises control modules, the control modules are connected with multiple hash computation modules, the hash computation modules and the control modules are connected with a detection module, and the detection module is further connected with a storage module; wherein the register module is connected with the detection modules of the single-stage bloom filter modules. The Ethernet data packet detection device based on the multistage pipeline bloom filter can meet requirements of 10-gigabit Ethernet, supports dynamic configurability of an Ethernet controller detection rule, improves detection speed and reduces system energy consumption.

Description

technical field [0001] The invention belongs to the technical field of computer hardware, and relates to a data packet detection device in an Ethernet controller, in particular to an Ethernet data packet detection device based on a multistage pipeline Bloom filter. Background technique [0002] In server-level high-performance Ethernet controllers, it is necessary to detect or analyze specified rules for data packets received in the network, such as rule check (Rule Check) or IOV (Input / Output Virtualization). The high-priority processing of data packets helps to realize real-time network monitoring and fine management, which is conducive to the improvement of network security performance, and can also meet the needs of special applications. [0003] With the development of Gigabit Ethernet and 10 Gigabit Ethernet technologies, the performance efficiency of detection methods and structures directly affects the detection efficiency of network controllers for network data pack...

AI Technical Summary

Problems solved by technology

[0005] The above schemes (1), (2) and (3) for improving the performance and flexibility of the Ethernet controller for data packet detection do not support the dynamic update of the detection rules, that is, the dynamic configuration of the detection rules by the user is not realized

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