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    • 8. 发明申请
    • Host Ethernet Adapter for Handling Both Endpoint and Network Node Communications
    • 用于处理端点和网络节点通信的主机以太网适配器
    • US20120192190A1
    • 2012-07-26
    • US13011663
    • 2011-01-21
    • Claude BassoJean L. CalvignacChih-jen ChangPhilippe DamonNatarajan VaidhyanathanFabrice J. VerplankenColin B. Verrilli
    • Claude BassoJean L. CalvignacChih-jen ChangPhilippe DamonNatarajan VaidhyanathanFabrice J. VerplankenColin B. Verrilli
    • G06F9/46
    • G06F15/1735
    • A host Ethernet adapter (HEA) and method of managing network communications is provided. The HEA includes a host interface configured for communication with a multi-core processor over a processor bus. The host interface comprises a receive processing element including a receive processor, a receive buffer and a scheduler for dispatching packets from the receive buffer to the receive processor; a send processing element including a send processor and a send buffer; and a completion queue scheduler (CQS) for dispatching completion queue elements (CQE) from the head of the completion queue (CQ) to threads of the multi-core processor in a network node mode. The method comprises operatively coupling an Ethernet adapter to a multi-core processor system via a processor bus, selectively assigning a first plurality of packets to a first queue pair for servicing in an endpoint mode, running a device driver on the multi-core processing system, the device driver controlling the servicing of the first queue pair by dispatching the first plurality of packets to only one processor core of the multi-core processor system, selectively assigning a second plurality of packets to a second queue pair for servicing in a network node mode; and the Ethernet adapter controlling the servicing of the second queue pair by dispatching the second plurality of packets to multiple processor threads.
    • 提供主机以太网适配器(HEA)和管理网络通信的方法。 HEA包括被配置为通过处理器总线与多核处理器进行通信的主机接口。 所述主机接口包括接收处理元件,所述接收处理元件包括接收处理器,接收缓冲器和用于从所述接收缓冲器向所述接收处理器分发分组的调度器; 包括发送处理器和发送缓冲器的发送处理元件; 以及用于从完成队列(CQ)的头部将网络节点模式中的多核处理器的线程调度完成队列元素(CQE)的完成队列调度器(CQS)。 该方法包括经由处理器总线可操作地将以太网适配器耦合到多核处理器系统,选择性地将第一多个分组分配到第一队列对以在端点模式下进行服务,在多核处理系统上运行设备驱动程序 所述设备驱动程序通过将所述第一多个分组分派到所述多核处理器系统的一个处理器核心来控制所述第一队列对的服务,选择性地将第二多个分组分配给第二队列对以在网络节点中进行服务 模式; 以及所述以太网适配器通过将所述第二多个分组分派到多个处理器线程来控制所述第二队列对的服务。