公开(公告)号：US09923813B2

公开(公告)日：2018-03-20

申请号：US14574088

申请日：2014-12-17

Applicant: Marvell World Trade Ltd.

Inventor： Gil Levy ,  Amir Roitshtein ,  Rami Zemach

IPC: H04L12/741 ,  H04L29/06 ,  H04L12/947 ,  H04L12/931 ,  H04L12/935 ,  H04L12/801

CPC classification number: H04L45/74 ,  H04L47/10 ,  H04L49/251 ,  H04L49/3009 ,  H04L49/70 ,  H04L69/22

Abstract: In a method for processing packets in a network device, a first packet is received at a first port of the network device. A first set of bits, corresponding to a first set of bit locations in a header of the first packet, is extracted from the header of the first packet. A first set of processing operations is performed to process the first packet using the first set of bits. A second packet is received at a second port of the network device. A second set of bits, corresponding to a second set of bit locations in a header of the second packet, is extracted from the header of the second packet. A second set of processing operations is performed to process the second packet using the second set of bits.

公开(公告)号：US09571380B2

公开(公告)日：2017-02-14

申请号：US14482980

申请日：2014-09-10

Applicant: Marvell World Trade Ltd.

Inventor： Aviran Kadosh ,  Rami Zemach

IPC: H04L12/26 ,  H04L12/715 ,  H04L12/803 ,  H04L12/933 ,  H04L12/931

CPC classification number: H04L45/04 ,  H04L47/122 ,  H04L49/109 ,  H04L49/1515 ,  H04L49/505

Abstract: A packet is received at a packet processing element, among a plurality of like packet processing elements, of a network device, and request specifying a processing operation to be performed with respect to the packet by an accelerator engine functionally different from the plurality of like packet processing elements is generated by the packet processing element. The request is transmitted to an interconnect network that includes a plurality of interconnect units arranged in stages. A path through the interconnect network is selected among a plurality of candidate paths, wherein no path of the candidate paths includes multiple interconnect units within a same stage of the interconnect network. The request is then transmitted via the determined path to a particular accelerator engine among multiple candidate accelerator engines configured to perform the processing operation. The processing operation is then performed by the particular accelerator engine.

Abstract translation: 在网络设备的多个相似的分组处理单元中的分组处理元件处接收分组，并且通过与多个相似分组功能不同的加速器引擎来指定要对该分组执行的处理操作的请求 处理元件由分组处理元件生成。 该请求被发送到包括分阶段布置的多个互连单元的互连网络。 在多个候选路径中选择通过互连网络的路径，其中候选路径的路径不包括在互连网络的相同阶段内的多个互连单元。 然后，该请求经由确定的路径被发送到配置成执行处理操作的多个候选加速器引擎中的特定加速器引擎。 然后由特定加速器引擎执行处理操作。

公开(公告)号：US09876719B2

公开(公告)日：2018-01-23

申请号：US15061755

申请日：2016-03-04

Applicant: MARVELL WORLD TRADE LTD.

Inventor： Yoram Revah ,  David Melman ,  Tal Mizrahi ,  Rami Zemach ,  Carmi Arad

IPC: H04L12/26 ,  H04L12/743 ,  H04L12/741 ,  H04L12/707 ,  H04L12/709 ,  H04L12/703 ,  H04L12/803

CPC classification number: H04L45/7453 ,  H04L45/22 ,  H04L45/245 ,  H04L45/28 ,  H04L45/745 ,  H04L47/125

Abstract: A forwarding engine in a network device selects one or more groups of multiple egress interfaces of the network device for forwarding packets received by the network device. An egress interface selector in the network device selects individual egress interfaces within the one or more groups selected by the forwarding engine. The egress interface selector includes a table associated with a first group of multiple egress interfaces, wherein elements in the table include values indicate individual egress interfaces in the first group. When the forwarding engine selects the first group, a table element selector of selects an element in the table to identify the individual egress interface for forwarding the packet.