以太网交换机中MAC控制器设计与实现  

Design and implementation of Mac controller in Ethernet Switch

作　　者：白雅杰 丁可 李岭 BAI Ya-jie;DING Ke;LI Lin(Chongqing Changan Automobile Company Co.Ltd;State Key Laboratory of Intelligent Vehicle Safety Technology)

机构地区：[1]重庆长安汽车股份有限公司 [2]智能汽车安全技术全国重点实验室

出　　处：《中国集成电路》2023年第11期75-81,共7页China lntegrated Circuit

摘　　要：为了解决交换机内部存储资源有限以及通信端口未及时处理而出现的通信网络反压问题,本文基于状态机设计和RAM存储原理,设计了具有实时去除错误帧功能的mac控制器,完成优化接收存储管理,实现网络数据在有限存储空间的高效安全传输,同时搭建FPGA仿真实验平台验证设计的正确性。实验结果表明,本设计可以在有限的存储空间内实现高效的数据存储、访问及传输。In order to solve the communication network inversion-suppress problem caused by limited internal storage resources of the switch and untimely processing of the communication port,this paper designs a mac controller with real-time error frame removal function by combining optimized state machine design and optimal storage mode,and completes the optimization of receiving storage management.To realize efficient and secure transmission of network data in limited storage space,and build FPGA simulation experiment platform to verify the correctness of the design.The experimental results show that this design can achieve efficient data storage,access and transmission in limited storage space.

关 键 词：以太网交换机 MAC控制器 RAM 

分 类 号：TP393.11[自动化与计算机技术—计算机应用技术]