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    • 9. 发明授权
    • Reduced hardware network adapter and communication
    • 减少硬件网络适配器和通讯方式
    • US06651107B1
    • 2003-11-18
    • US09401005
    • 1999-09-21
    • Michael R. ConleyEric Henderson
    • Michael R. ConleyEric Henderson
    • G06F1516
    • H04L12/413G06F13/385H04L12/40013H04L12/40032H04L49/90H04L49/9073Y02D10/14Y02D10/151
    • The present invention provides a network interface adapter for connecting a client computer to a computer network that includes a reduced hardware media access controller (MAC) coupled through a physical interface (PHY) to the network physical link. A significant portion of the MAC functionality is implemented as software within the processor of the host client computer. The hardware portion of the preferred MAC implementation provides memory for buffering communications between the PHY and the client computer. The preferred hardware aspects of a MAC in accordance with the present invention also includes a register interface for register-driven communications between the hardware portion of the MAC and the software portions of the MAC implemented within the client computer. By implementing most of the MAC functionality in software within the host computer, the preferred MAC provides lower cost, lower power consumption, and generally greater flexibility.
    • 本发明提供了一种用于将客户计算机连接到计算机网络的网络接口适配器,计算机网络包括通过物理接口(PHY)耦合到网络物理链路的简化硬件媒体访问控制器(MAC)。 MAC功能的重要部分被实现为主机客户端计算机的处理器内的软件。 优选MAC实现的硬件部分提供用于缓冲PHY和客户端计算机之间的通信的存储器。 根据本发明的MAC的优选硬件方面还包括用于MAC的硬件部分和在客户端计算机中实施的MAC的软件部分之间的寄存器驱动通信的寄存器接口。 通过在主计算机内的软件中实现大多数MAC功能,优选的MAC提供了较低的成本,更低的功耗和更大的灵活性。