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1. 发明授权

US06785734B1 System and method for processing control information from a general through a data processor when a control processor of a network processor being congested 失效
标题翻译：当网络处理器的控制处理器拥塞时，用于通过数据处理器处理来自一般的控制信息的系统和方法
公开(公告)号：US06785734B1
公开(公告)日：2004-08-31
申请号：US09546132
申请日：2000-04-10
申请人： Richard John Blasiak , David Wayne Cosby , Anthony Matteo Gallo , Sonia Kiang Rovner
发明人： Richard John Blasiak , David Wayne Cosby , Anthony Matteo Gallo , Sonia Kiang Rovner
IPC分类号： G06F15173
CPC分类号： H04L12/4633 , H04L12/4604
摘要： A method, system, program product, and data structure for processing network communication within a communication network from a general processor to a network processor. An informational frame is encapsulated into a packet for transmission within a communication network from a general processor to a network processor having a data processor and a control processor. If the informational frame is a control frame and the control processor is congested and if the control frame only needs message routing services from the locally connected network processor, the encapsulated packet is designated as a data-type packet so that the data processor processes the control frame. The encapsulated packet is then sent from the general processor to the network processor. The data processor decapsulates the encapsulated packet, parses the control frame and processes the control frame. The data processor directs and executes a control command defined within the control frame to a target control processor of a target network processor designated within the encapsulated packet.
摘要翻译：一种用于处理从通用处理器到网络处理器的通信网络内的网络通信的方法，系统，程序产品和数据结构。信息帧被封装成用于在通信网络内从通用处理器到具有数据处理器和控制处理器的网络处理器的数据包传输。如果信息帧是控制帧，并且控制处理器拥塞，并且如果控制帧仅需要来自本地连接的网络处理器的消息路由服务，则封装的分组被指定为数据类型分组，使得数据处理器处理控制帧。然后将封装的分组从通用处理器发送到网络处理器。数据处理器解封装封装的数据包，解析控制帧并处理控制帧。数据处理器将控制帧内定义的控制命令引导到封装分组内指定的目标网络处理器的目标控制处理器。

2. 发明授权

US06904601B1 Method and system for providing remote procedure calls in a multiprocessing system 失效
标题翻译：在多处理系统中提供远程过程调用的方法和系统
公开(公告)号：US06904601B1
公开(公告)日：2005-06-07
申请号：US09545689
申请日：2000-04-07
申请人： Richard John Blasiak , David Wayne Cosby , Anthony Matteo Gallo , Frank Andrew Smoak
发明人： Richard John Blasiak , David Wayne Cosby , Anthony Matteo Gallo , Frank Andrew Smoak
IPC分类号： G06F9/46 , G06F9/50
CPC分类号： G06F9/5016
摘要： A method and system for providing remote procedure calls in a multiprocessing system is disclosed. The multiprocessing system includes a general purpose processor and a plurality of network processors. Each of the plurality of network processors includes a memory. The method and system comprises accessing a reserved address in at least one of the network processors and initiating a software action by a first portion of the reserved address. The method and system further includes pointing to an address within the memory of the at least one network processor to be processed based upon data in a second portion of the reserved address, wherein the data at the address is processed. A system and method in accordance with the present invention provides an indirect software jump in a microprocessing system through providing a reserved address in memory of each of the reserved address includes two portions. A first portion of the address triggers the software event requested by the general purpose processor (for example) and a second portion of the reserved address is utilized to process the data that was loaded at that address in the processor. The indirect software jump allows a general purpose processor to execute software on a network processor indirectly for custom application services or debug operations.
摘要翻译：公开了一种用于在多处理系统中提供远程过程调用的方法和系统。多处理系统包括通用处理器和多个网络处理器。多个网络处理器中的每一个包括存储器。该方法和系统包括访问至少一个网络处理器中的保留地址，并通过保留地址的第一部分发起软件动作。该方法和系统还包括基于保留地址的第二部分中的数据指向待处理的至少一个网络处理器的存储器内的地址，其中地址处的数据被处理。根据本发明的系统和方法通过在每个保留地址的存储器中提供包括两个部分的保留地址来提供微处理系统中的间接软件跳转。地址的第一部分触发由通用处理器（例如）所请求的软件事件，并且使用保留地址的第二部分来处理在处理器中在该地址处加载的数据。间接软件跳转允许通用处理器间接地在网络处理器上执行自定义应用程序服务或调试操作的软件。

3. 发明授权

US06763375B1 Method for defining and controlling the overall behavior of a network processor device 有权
标题翻译：用于定义和控制网络处理器设备的整体行为的方法
公开(公告)号：US06763375B1
公开(公告)日：2004-07-13
申请号：US09547362
申请日：2000-04-11
申请人： Claude Basso , Anthony Matteo Gallo , Marco C. Heddes , Seeta Hariharan , Sridhar Rao , Sonia Kiang Rovner
发明人： Claude Basso , Anthony Matteo Gallo , Marco C. Heddes , Seeta Hariharan , Sridhar Rao , Sonia Kiang Rovner
IPC分类号： G06F1300
CPC分类号： H04L41/0803 , H04L29/06 , H04L69/18
摘要： A system and method for controlling overall behavior of a network processor device implemented in a network processing environment servicing a communications network. The method includes steps of receiving a guided control frame including one or more control functions for configuring various functional devices within the network processor with device control parameter data; a step of forwarding one or more control functions from a received control frame to a functional device within the network processor to be configured; and, executing the control functions as specified in the control frame. A novel control frame data structure and communications infrastructure is implemented whereby any network processor device operating in a distributed network processing environment may be controlled in accordance with executed control functions and device control parameter data.
摘要翻译：一种用于控制在为通信网络服务的网络处理环境中实现的网络处理器设备的整体行为的系统和方法。该方法包括以下步骤：接收包括用于使用设备控制参数数据配置网络处理器内的各种功能设备的一个或多个控制功能的引导控制帧; 将一个或多个控制功能从接收到的控制帧转发到要配置的网络处理器内的功能设备的步骤; 并且执行控制帧中指定的控制功能。实现新颖的控制帧数据结构和通信基础设施，从而可以根据执行的控制功能和设备控制参数数据来控制在分布式网络处理环境中操作的任何网络处理器设备。

4. 发明授权

US06772222B1 Multicast forwarding table processor 失效
标题翻译：组播转发表处理器
公开(公告)号：US06772222B1
公开(公告)日：2004-08-03
申请号：US09545576
申请日：2000-04-07
申请人： Anthony Matteo Gallo , Sonia Kiang Rovner , Natarajan Vaidhyanathan , Gail Irene Woodland
发明人： Anthony Matteo Gallo , Sonia Kiang Rovner , Natarajan Vaidhyanathan , Gail Irene Woodland
IPC分类号： G06F15173
CPC分类号： H04L45/16 , H04L12/18 , H04L12/467 , H04L45/00 , H04L49/201 , H04L49/3009 , H04L49/354 , H04L49/602
摘要： A multicast processor minimizes the software resource needed to process multicast protocol and broadcast protocol for bridges and routers in a network processor based environment. The multicast forwarding processor receives multicast and broadcast Layer 2/Layer 3/Layer 4 (L2/L3/L4) frames from a network processor. During reception, a frame layer flag, a unicast/multicast flag, and a frame position flag are set. A multitask forwarding table is accessed, and the frame, unicast/multicast, and frame position flags are stored and updated. The frame, unicast/multicast, and frame position flags are then sent to a frame forwarding processor. The L2/L3/L4 frames are routed to an L2 learning processor. The L2/L3/L4 frames are received from the frame forwarding processor, and the L2/L3/L4 frames are sent to an L3/L4 processor for frame header modification. The modified L2/L3/L4 frames are received from said L3/L4 processor, and the modified L2/L3/L4 frames are sent to an L2 filter processor.
摘要翻译：组播处理器最小化处理基于网络处理器的环境中的桥接器和路由器处理多播协议和广播协议所需的软件资源。多播转发处理器从网络处理器接收组播和广播第2层/第3层/第4层（L2 / L3 / L4）帧。在接收期间，设置帧层标志，单播/多播标志和帧位置标志。访问多任务转发表，并存储和更新帧，单播/多播和帧位置标志。然后将帧，单播/多播和帧位置标志发送到帧转发处理器。 L2 / L3 / L4帧路由到L2学习处理器。从帧转发处理器接收L2 / L3 / L4帧，将L2 / L3 / L4帧发送到L3 / L4处理器进行帧头修改。从L3 / L4处理器接收修改后的L2 / L3 / L4帧，将修改的L2 / L3 / L4帧发送到L2滤波处理器。

5. 发明授权

US06771652B1 Method and system for controlling transmission of packets in computer networks 有权
标题翻译：控制计算机网络中数据包传输的方法和系统
公开(公告)号：US06771652B1
公开(公告)日：2004-08-03
申请号：US09448380
申请日：1999-11-23
申请人： Metin Aydemir , Brian Mitchell Bass , Clark Debs Jeffries , Sonia Kiang Rovner , Michael Steven Siegel , Anthony Matteo Gallo
发明人： Metin Aydemir , Brian Mitchell Bass , Clark Debs Jeffries , Sonia Kiang Rovner , Michael Steven Siegel , Anthony Matteo Gallo
IPC分类号： H04L1256
CPC分类号： H04L47/10 , H04L47/29 , H04L47/30
摘要： A method and system for controlling a flow of a plurality of packets in a computer network is disclosed. The computer network includes a queue. The method and system include determining a queue level for the queue and determining an offered rate of the plurality of packets to the queue. The method and system also include controlling a transmission fraction of the plurality of packets to the queue, based on the queue level, the offered rate and a previous value of the transmission fraction so that the transmission fraction and the queue level are critically damped if the queue level is between at least a first queue level and a second queue level.
摘要翻译：公开了一种用于控制计算机网络中的多个分组的流的方法和系统。计算机网络包括队列。该方法和系统包括确定队列的队列级别并确定多个分组到队列的提供速率。该方法和系统还包括基于队列级别，所提供的速率和传输级数的先前值来控制多个分组到队列的传输分数，使得如果传输分数和队列级别被严格衰减，则队列级别在至少第一队列级别和第二队列级别之间。

6. 发明授权

US06738376B1 Method and system for managing multicast traffic 失效
标题翻译：管理组播流量的方法和系统
公开(公告)号：US06738376B1
公开(公告)日：2004-05-18
申请号：US09543676
申请日：2000-04-07
申请人： Richard John Blasiak , Gregory Scott Burgin , Anthony Matteo Gallo , Colin Beaton Verrilli , Gail Irene Woodland
发明人： Richard John Blasiak , Gregory Scott Burgin , Anthony Matteo Gallo , Colin Beaton Verrilli , Gail Irene Woodland
IPC分类号： H04L1228
CPC分类号： H04L45/00 , H04L12/185 , H04L12/1854 , H04L12/1886 , H04L45/16
摘要： A system for controlling multicast traffic in a multiprocessing system is disclosed. The multiprocessing system includes a general-purpose processor, a plurality of network processors and a switch fabric. The system comprises a multicast identifier (MID) manager to manage a distributed database of MIDs. The distributed database includes at least one compound MID. The at least one compound MID structure further comprises a plurality of MIDs representing at least two multicast groups. The system also includes a MID processor which traverses the at least one compound MID and resolves it into its associated simple MIDs. Accordingly, the present invention provides for a system and method for efficiently controlling multicast transmissions when different types of multicast groups are to receive the multicast transmissions. In this system and method a new type of multicast identifier (MID) is provided, a compound MID. The compound MID is a single MID but references multiple MIDs. The system includes a MID manager which manages a distributed database of MIDS. Finally, the system and method includes at least one MID processor which accesses the appropriate compound MIDs and resolves them into the simple member MIDs to allow a router to provide the information to an appropriate bridge.
摘要翻译：公开了一种用于在多处理系统中控制多播流量的系统。多处理系统包括通用处理器，多个网络处理器和交换结构。该系统包括用于管理MID的分布式数据库的多播标识符（MID）管理器。分布式数据库包括至少一个复合MID。所述至少一个复合MID结构还包括表示至少两个多播组的多个MID。该系统还包括一个MID处理器，它遍历至少一个复合MID并将其解析成其相关联的简单MID。因此，本发明提供了一种用于当不同类型的多播组要接收多播传输时有效地控制多播传输的系统和方法。在该系统和方法中，提供了一种新型的组播标识符（MID），即复合MID。复合MID是单个MID，但是引用了多个MID。该系统包括管理MIDS的分布式数据库的MID管理器。最后，该系统和方法包括至少一个MID处理器，其访问适当的复合MID并将其解析成简单成员MID，以允许路由器将信息提供给适当的桥。

7. 发明授权

US07106730B1 Method and apparatus for processing frame classification information between network processors 失效
标题翻译：用于处理网络处理器之间帧分类信息的方法和装置
公开(公告)号：US07106730B1
公开(公告)日：2006-09-12
申请号：US09546833
申请日：2000-04-11
申请人： Brian Mitchell Bass , Jean Louis Calvignac , Anthony Matteo Gallo , Marco C. Heddes , Michael Steven Siegel , Fabrice Jean Verplanken
发明人： Brian Mitchell Bass , Jean Louis Calvignac , Anthony Matteo Gallo , Marco C. Heddes , Michael Steven Siegel , Fabrice Jean Verplanken
IPC分类号： H04L12/56
CPC分类号： H04L49/30
摘要： A network device including an ingress processor and egress processor which receives frames of data over the network on an input port, and transfers it to an appropriate output port. The received frame is processed by an ingress processor which prepares an intra-switch frame for delivery to an egress processor serving a relevant output port of the switch. The intra-switch frame includes a frame header having parameters which have been determined by the ingress processor, as well as data indicating an address for the egress processor for beginning processing of the frame. By identifying to the egress processor processing which has already taken place, the egress processor is relieved of any redundant processing of the frame. The egress processor provides a hardware frame classifier which decodes the information contained in the intra-frame header to derive parameters which have been previously computed as well as a starting address for the egress processor. By reducing the amount of redundant processing of the egress processor, total device throughput delay is reduced.
摘要翻译：一种网络设备，包括入口处理器和出口处理器，其在输入端口上通过网络接收数据帧，并将其传送到适当的输出端口。接收到的帧由入口处理器处理，入口处理器准备一个内部交换帧，用于传送到服务于交换机的相关输出端口的出口处理器。帧内切换帧包括具有由入口处理器确定的参数的帧报头，以及指示用于开始处理该帧的出口处理器的地址的数据。通过识别已经发生的出口处理器处理，出口处理器免除了帧的任何冗余处理。出口处理器提供硬件帧分类器，其对包含在帧内报头中的信息进行解码以导出先前已经计算的参数以及出口处理器的起始地址。通过减少出口处理器的冗余处理量，减少了总设备吞吐量延迟。

8. 发明授权

US06880158B1 Network processor services architecture that is platform and operating system independent 失效
标题翻译：网络处理器服务架构是平台和操作系统独立的
公开(公告)号：US06880158B1
公开(公告)日：2005-04-12
申请号：US09546133
申请日：2000-04-10
申请人： Claude Basso , Philippe Damon , Anthony Matteo Gallo
发明人： Claude Basso , Philippe Damon , Anthony Matteo Gallo
IPC分类号： G06F13/10 , G06F9/455 , G06F15/00 , H04L12/56 , G06F3/00 , G06F9/44 , G06F9/46 , G06F13/00
CPC分类号： G06F9/45537
摘要： A system for providing a scalable processor and operating system independent network processor services architecture. The system includes a plurality of portable and individualized functional components representing particular segments of the control processor's device driver. The functional components, which include lower level and external APIs, carry out the various network processor functions such as the receipt and transfer of packets on the network, and other functions required by the control processor to communicate with and direct the network processor. The functional components are designed to be adaptable to the various types of processor architecture and operating systems available and to permit customers or developers to customize and expand the available network services.
摘要翻译：一种用于提供可扩展处理器和操作系统独立网络处理器服务架构的系统。该系统包括表示控制处理器的设备驱动器的特定段的多个便携式和个性化的功能组件。包括较低级别和外部API的功能组件执行各种网络处理器功能，例如网络上的数据包的接收和传输以及控制处理器与网络处理器进行通信和指导所需的其他功能。功能组件被设计为适应各种类型的处理器架构和可用的操作系统，并允许客户或开发人员自定义和扩展可用的网络服务。

9. 发明授权

US06799207B1 Method and system for downloading software managed trees in a network processing system 失效
标题翻译：在网络处理系统中下载软件管理树的方法和系统
公开(公告)号：US06799207B1
公开(公告)日：2004-09-28
申请号：US09546343
申请日：2000-04-10
申请人： Everett Arthur Corl, Jr. , Anthony Matteo Gallo , Seeta Hariharan , Colin Beaton Verrilli
发明人： Everett Arthur Corl, Jr. , Anthony Matteo Gallo , Seeta Hariharan , Colin Beaton Verrilli
IPC分类号： G06F15173
CPC分类号： H04L45/00 , H04L29/06 , H04L45/563 , H04L67/34 , H04L69/22 , H04L69/329
摘要： A method and system for downloading software managed trees (SMTs) in a network processing system provides dynamic update of frame classifiers while maintaining proper network protocol processing. The network processing system includes a general purpose processor acting as control point processor and a plurality of network processors. The new SMT is built by an application on the control point processor and downloaded to one or more of the network processors. The new SMT is placed in a separate memory location accessible to the network processors, rather then overwriting the existing SMT. The active tree pointers are then changed to transfer control to the new SMT.
摘要翻译：在网络处理系统中下载软件管理树（SMT）的方法和系统提供帧分类器的动态更新，同时保持适当的网络协议处理。网络处理系统包括充当控制点处理器的通用处理器和多个网络处理器。新的SMT由控制点处理器上的应用程序构建并下载到一个或多个网络处理器。新的SMT放置在网络处理器可访问的单独内存位置，而不是覆盖现有的SMT。然后更改活动树指针，将控件转移到新的SMT。

10. 发明授权

US06760776B1 Method and apparatus for processing network frames in a network processor by embedding network control information such as routing and filtering information in each received frame 有权
标题翻译：通过在每个接收到的帧中嵌入诸如路由和过滤信息的网络控制信息来处理网络处理器中的网络帧的方法和装置
公开(公告)号：US06760776B1
公开(公告)日：2004-07-06
申请号：US09546462
申请日：2000-04-10
申请人： Anthony Matteo Gallo , Natarajan Vaidhyanathan , Colin Beaton Verrilli , Gail Irene Woodland
发明人： Anthony Matteo Gallo , Natarajan Vaidhyanathan , Colin Beaton Verrilli , Gail Irene Woodland
IPC分类号： G06F1516
CPC分类号： H04L69/10 , H04L69/32
摘要： A method and apparatus for processing network frames by embedding control information achieves an efficient frame processing system within a network processor (NP). The layer type of the frame can be quickly determined by the layer processing components of picocode running on the NP by examining control information that is written by ingress processing layers to produce a modified frame format. The frames are routed to appropriate layer processors and processing for certain layers may be bypassed if the picocode determines that no processing is required at that layer. The frame may also be discarded completely by any of the layer processors.
摘要翻译：通过嵌入控制信息来处理网络帧的方法和装置在网络处理器（NP）内实现有效的帧处理系统。通过检查由入口处理层写入的控制信息以产生修改的帧格式，可以通过在NP上运行的picocode的层处理组件快速确定帧的层类型。帧被路由到适当的层处理器，并且如果皮卡代码确定在该层不需要处理，则可以绕过某些层的处理。帧也可以被任何层处理器完全丢弃。

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