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1.发明授权公开(公告)号：US08032655B2
公开(公告)日：2011-10-04
申请号：US12255112
申请日：2008-10-21
IPC分类号： G06F13/00
CPC分类号： G06F13/4027 , H04L49/102 , H04L49/103 , H04L49/201 , H04L49/30 , H04L49/351 , H04L49/354
摘要： A network interface controller includes a plurality of scatter gather circuits (104a-104d) connectable to a host via a bus (101). A packet buffer (112) is configured for communication with the scatter gather circuits (104a-104d). A plurality of access circuits (110a-110d) are configured to access external network connections. An optional forwarding engine (108) is selectable to generate routing information corresponding to data received via the access circuits (110a-110d) and to provide the routing information to the packet buffer (112).
摘要翻译： 网络接口控制器包括经由总线（101）可连接到主机的多个散射收集电路（104a-104d）。 分组缓冲器（112）被配置为与散射收集电路（104a-104d）通信。 多个访问电路（110a-110d）被配置为访问外部网络连接。 可选择的转发引擎（108）可选择以产生对应于经由访问电路（110a-110d）接收的数据的路由信息，并将路由信息提供给分组缓冲器（112）。
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公开(公告)号：US07447795B2
公开(公告)日：2008-11-04
申请号：US10474500
申请日：2002-04-11
IPC分类号： G06F13/00
CPC分类号： G06F13/4027 , H04L49/102 , H04L49/103 , H04L49/201 , H04L49/30 , H04L49/351 , H04L49/354
摘要： A network interface controller includes a plurality of scatter gather circuits (104a-104d) connectable to a host via a bus (101). A packet buffer (112) is configured for communication with the scatter gather circuits (104a-104d). A plurality of access circuits (110a-110d) are configured to access external network connections. An optional forwarding engine (108) is selectable to generate routing information corresponding to data received via the access circuits (110a-110d) and to provide the routing information to the packet buffer (112).
摘要翻译： 网络接口控制器包括经由总线（101）可连接到主机的多个散射收集电路（104a-104d）。 分组缓冲器（112）被配置为与散射收集电路（104a-104d）通信。 多个访问电路（110a至110d）被配置为访问外部网络连接。 可选择的转发引擎（108）可选择以产生对应于经由访问电路（110a至110d）接收的数据的路由信息，并将路由信息提供给分组缓冲器（112）。
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公开(公告)号：US06813652B2
公开(公告)日：2004-11-02
申请号：US10474499
申请日：2004-04-19
IPC分类号： G06F1300
CPC分类号： G06F13/28
摘要： A plurality of direct memory access data transfers are accomplished to transfer data from a host to an adaptor. For each transfer, an indication of locations of at least one group of storage locations associated with the host available to hold the data to be transferred to the host is provided from the host to the adaptor. An indication of the provided indication is maintained, for that transfer, by the host. Based on the indication of locations provided from the host to the adaptor, data is transferred to the at least one group of storage locations from the adaptor. An indication is provided from the adaptor to the host that the data transferring step has been completed with respect to the at least one group of storage locations. The host determines the locations corresponding to the at least one group of storage locations based on the indications maintained by the host and retrieving the data from the at least one group of storage locations based on the determination. A similar method is provided to transfer data from the adaptor to the host. Broadly speaking, the host and adaptor retain state information between DMA data transfers. As a result, absolute values of overhead items need not be transferred between the host CPU and the I/O device for each DMA data transfer, and the amount of overhead is reduced.
摘要翻译： 完成多个直接存储器访问数据传输以将数据从主机传送到适配器。 对于每个传送，从主机向适配器提供与可用于保存要传送到主机的数据相关联的主机的至少一组存储位置的位置的指示。 所提供的指示的指示由主机维护，用于该转移。 基于从主机向适配器提供的位置的指示，数据从适配器传送到至少一组存储位置。 从适配器向主机提供关于至少一组存储位置的数据传送步骤已经完成的指示。 主机基于由主机维护的指示，基于该确定从至少一组存储位置检索数据，来确定对应于至少一组存储位置的位置。 提供了类似的方法来将数据从适配器传输到主机。 一般来说，主机和适配器保留DMA数据传输之间的状态信息。 因此，对于每个DMA数据传输，开销项目的绝对值不需要在主机CPU和I / O设备之间传输，并且开销量减少。
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4.发明授权Protocol offload in intelligent network adaptor, including application level signalling 有权智能网络适配器中的协议卸载，包括应用级信令公开(公告)号：US08589587B1
公开(公告)日：2013-11-19
申请号：US11747790
申请日：2007-05-11
IPC分类号： G06F15/16
CPC分类号： H04L29/06081
摘要： A host is coupled to a network via an intelligent network adaptor. The host is executing an application configured to receive application data from a peer via the network and the intelligent network adaptor using a stateful connection according to a connection-oriented protocol. The intelligent network adaptor performs protocol processing of the connection. Application data is copied from host memory not configured for access by the application (possibly OS-associated host memory) to host memory associated with the application (application-associated host memory). The application data is received from the peer by the intelligent network adaptor and copied to host memory not configured for access by the application. The operating system selectively provides, to the intelligent network adaptor, information of the memory associated with the application. At least one portion of the application data for the connection is provided directly from the intelligent network adaptor to the memory associated with the application.
摘要翻译： 主机通过智能网络适配器耦合到网络。 主机正在执行配置为经由网络和智能网络适配器从对等体接收应用数据的应用，该适配器使用根据面向连接协议的有状态连接。 智能网络适配器执行连接的协议处理。 应用程序数据从未配置为由应用程序（可能与OS相关联的主机内存）访问的主机内存复制到与应用程序（应用程序相关的主机内存）相关联的主机内存。 通过智能网络适配器从对等端接收应用数据，并复制到未配置为由应用访问的主机存储器。 操作系统向智能网络适配器选择性地提供与应用相关联的存储器的信息。 用于连接的应用数据的至少一部分直接从智能网络适配器提供给与应用相关联的存储器。
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公开(公告)号：US08356112B1
公开(公告)日：2013-01-15
申请号：US13249077
申请日：2011-09-29
IPC分类号： G06F15/16 , G06F15/167
CPC分类号： H04L47/10 , H04L47/27 , H04L47/30 , H04L69/163
摘要： A host is coupled to a network via an intelligent network adaptor. The host is executing an application configured to receive application data from a peer via the network and the intelligent network adaptor using a stateful connection according to a connection-oriented protocol. The intelligent network adaptor performs protocol processing of the connection. Application data is copied from host memory not configured for access by the application (possibly OS-associated host memory) to host memory associated with the application (application-associated host memory). The application data is received from the peer by the intelligent network adaptor and copied to host memory not configured for access by the application. The operating system selectively provides, to the intelligent network adaptor, information of the memory associated with the application. At least one portion of the application data for the connection is provided directly from the intelligent network adaptor to the memory associated with the application.
摘要翻译： 主机通过智能网络适配器耦合到网络。 主机正在执行配置为经由网络和智能网络适配器从对等体接收应用数据的应用，该适配器使用根据面向连接协议的有状态连接。 智能网络适配器执行连接的协议处理。 应用程序数据从未配置为由应用程序（可能与OS相关联的主机内存）访问的主机内存复制到与应用程序（应用程序相关的主机内存）相关联的主机内存。 通过智能网络适配器从对等端接收应用数据，并复制到未配置为由应用访问的主机存储器。 操作系统向智能网络适配器选择性地提供与应用相关联的存储器的信息。 用于连接的应用数据的至少一部分直接从智能网络适配器提供给与应用相关联的存储器。
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公开(公告)号：US08155001B1
公开(公告)日：2012-04-10
申请号：US12752719
申请日：2010-04-01
CPC分类号： H04L47/10 , H04L47/19 , H04L47/215 , H04L47/22 , H04L47/25 , H04L47/283
摘要： Transfer of data is facilitated between at least one application and a peer via a network. Data destined for the peer is provided from the at least one application for transmission to the peer via the network. Modulation event tokens are managed, and protocol processing of the data with the peer is based in part on a result of the modulation event tokens managing such that protocol processed data is caused to be transmitted to the peer via the network nominally with desired data transmission rate characteristics. A result of the protocol processing step is fed back to the to the modulation event tokens managing. The desired data transmission rate characteristics may include, for example, shaping and pacing.
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7.发明授权Method to implement an L4-L7 switch using split connections and an offloading NIC 有权使用分离连接和卸载NIC实现L4-L7交换机的方法公开(公告)号：US08139482B1
公开(公告)日：2012-03-20
申请号：US12567581
申请日：2009-09-25
CPC分类号： H04L45/00 , H04L45/306 , H04L49/90 , H04L67/327 , H04L69/08 , H04L69/12 , H04L69/32
摘要： A method of operating intelligent network interface circuitry includes the network interface circuitry coupling a core processor to a network to facilitate communication over the network between the core processor and at least a first peer and a second peer. A first connection connects to the first peer and a second connection connects to the second peer. The network interface circuitry receives data packets from the first peer via the network on the first connection, according to a first particular protocol. The network interface circuitry processes the received data, including associating, with the second connection, data that is at least a portion of the data packets received on the first connection, such that the data received by the intelligent network interface circuitry on the first connection is switched to be outgoing from the intelligent network interface circuitry on the second connection, according to a second particular protocol.
摘要翻译： 操作智能网络接口电路的方法包括将核心处理器耦合到网络的网络接口电路，以促进在核心处理器与至少第一对等体和第二对等体之间的网络上的通信。 第一连接连接到第一对等体，第二连接连接到第二对等体。 网络接口电路根据第一特定协议在第一连接上经由网络从第一对等端口接收数据分组。 所述网络接口电路处理所接收的数据，包括将与所述第二连接相关联的数据作为在所述第一连接上接收到的数据分组的至少一部分的数据，使得由所述智能网络接口电路在所述第一连接上接收的数据是 根据第二特定协议，在第二连接上切换到从智能网络接口电路传出。
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8.发明授权公开(公告)号：US07826350B1
公开(公告)日：2010-11-02
申请号：US11747650
申请日：2007-05-11
IPC分类号： G01R31/08
CPC分类号： H04L49/901 , H04L47/10 , H04L47/193 , H04L47/39 , H04L49/90 , H04L49/9078
摘要： A host is coupled to a network via an intelligent network adaptor. The host is executing an application configured to receive application data from a peer via the network and the intelligent network adaptor using a stateful connection according to a connection-oriented protocol. The intelligent network adaptor performs protocol processing of the connection. Application data is copied from host memory not configured for access by the application (possibly OS-associated host memory) to host memory associated with the application (application-associated host memory). The application data is received from the peer by the intelligent network adaptor and copied to host memory not configured for access by the application. The operating system selectively provides, to the intelligent network adaptor, information of the memory associated with the application. At least one portion of the application data for the connection is provided directly from the intelligent network adaptor to the memory associated with the application.
摘要翻译： 主机通过智能网络适配器耦合到网络。 主机正在执行配置为经由网络和智能网络适配器从对等体接收应用数据的应用，该适配器使用根据面向连接协议的有状态连接。 智能网络适配器执行连接的协议处理。 应用程序数据从未配置为由应用程序（可能与OS相关的主机存储器）访问的主机内存复制到与应用程序（应用程序相关的主机内存）相关联的主机内存。 通过智能网络适配器从对等端接收应用数据，并复制到未配置为由应用访问的主机存储器。 操作系统向智能网络适配器选择性地提供与应用相关联的存储器的信息。 用于连接的应用数据的至少一部分直接从智能网络适配器提供给与应用相关联的存储器。
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公开(公告)号：US08346919B1
公开(公告)日：2013-01-01
申请号：US12749769
申请日：2010-03-30
IPC分类号： G06F15/16
CPC分类号： H04L67/104 , H04L65/1013 , H04L67/141 , H04L69/14 , H04L69/163 , H04L69/22 , H04L69/40
摘要： A method and apparatus are provided for communication of a host having a first network interface device and a second network interface device coupled thereto. The first network interface device is configured to operate a transport layer network connection between the host and a peer. The host is configured to, while the first network device is operating the transport layer network connection with the peer, independently determine connection information that describes the transport layer network connection being operated by the first network interface device. The second network interface device is caused to operate the transport layer network connection with the peer based at least in part on the connection information maintained by the host.
摘要翻译： 提供了一种用于通信具有第一网络接口设备和耦合到其的第二网络接口设备的主机的方法和设备。 第一网络接口设备被配置为操作主机和对等体之间的传输层网络连接。 主机被配置为当第一网络设备正在与对等体操作传输层网络连接时，独立地确定描述由第一网络接口设备操作的传输层网络连接的连接信息。 使第二网络接口设备至少部分地基于由主机维护的连接信息来与对等体操作传输层网络连接。
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公开(公告)号：US08339952B1
公开(公告)日：2012-12-25
申请号：US13413196
申请日：2012-03-06
CPC分类号： H04L47/10 , H04L47/19 , H04L47/215 , H04L47/22 , H04L47/25 , H04L47/283
摘要： Transfer of data is facilitated between at least one application and a peer via a network. Data destined for the peer is provided from the at least one application for transmission to the peer via the network. Modulation event tokens are managed, and protocol processing of the data with the peer is based in part on a result of the modulation event tokens managing such that protocol processed data is caused to be transmitted to the peer via the network nominally with desired data transmission rate characteristics. A result of the protocol processing step is fed back to the to the modulation event tokens managing. The desired data transmission rate characteristics may include, for example, shaping and pacing.
摘要翻译： 通过网络在至少一个应用和对等体之间促进数据传输。 从该至少一个应用程序提供去往对等体的数据，以经由网络传输到对等体。 管理调制事件令牌，并且与对等体的数据的协议处理部分地基于调制事件令牌管理的结果，使得经由网络以规定的数据传输速率通过网络将协议处理的数据经由网络发送到对等体 特点 协议处理步骤的结果被反馈到调制事件令牌管理。 期望的数据传输速率特性可以包括例如整形和起搏。
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