公开(公告)号：US20200313955A1

公开(公告)日：2020-10-01

申请号：US16903305

申请日：2020-06-16

Applicant: Barefoot Networks, Inc.

Inventor： Chaitanya Kodeboyina ,  John Cruz ,  Steven Licking ,  Michael E. ATTIG

IPC: H04L12/24 ,  H04L29/06 ,  H04L12/741

Abstract: A method of identifying a failed egress path of a hardware forwarding element. The method detects an egress link failure in a data plane of the forwarding element. The method generates a link failure signal in the data plane identifying the failed egress link. The method generates a packet that includes the identification of the egress link based on the link failure signal. The method sets the status of the egress link to failed in the data plane based on the identification of the egress link in the generated packet.

公开(公告)号：US20220321400A1

公开(公告)日：2022-10-06

申请号：US17723243

申请日：2022-04-18

Applicant: Barefoot Networks, Inc.

Inventor： Chaitanya KODEBOYINA ,  John CRUZ ,  Steven LICKING ,  Michael E. ATTIG

IPC: H04L41/0654 ,  H04L69/22 ,  H04L45/745 ,  H04L41/0677 ,  H04L49/00 ,  H04L45/42 ,  H04L49/55 ,  H04L45/28 ,  H04L45/64

Abstract: A method of identifying a failed egress path of a hardware forwarding element. The method detects an egress link failure in a data plane of the forwarding element. The method generates a link failure signal in the data plane identifying the failed egress link. The method generates a packet that includes the identification of the egress link based on the link failure signal. The method sets the status of the egress link to failed in the data plane based on the identification of the egress link in the generated packet.

公开(公告)号：US20240056348A1

公开(公告)日：2024-02-15

申请号：US18495590

申请日：2023-10-26

Applicant: Barefoot Networks, Inc.

Inventor： Chaitanya KODEBOYINA ,  John CRUZ ,  Steven LICKING ,  Michael E. ATTIG

IPC: H04L41/0654 ,  H04L69/22 ,  H04L45/745 ,  H04L41/0677 ,  H04L49/00 ,  H04L45/42 ,  H04L49/55 ,  H04L45/28 ,  H04L45/64

CPC classification number: H04L41/0654 ,  H04L69/22 ,  H04L45/745 ,  H04L41/0677 ,  H04L49/3063 ,  H04L45/42 ,  H04L49/555 ,  H04L45/28 ,  H04L45/64

Abstract: A method of identifying a failed egress path of a hardware forwarding element. The method detects an egress link failure in a data plane of the forwarding element. The method generates a link failure signal in the data plane identifying the failed egress link. The method generates a packet that includes the identification of the egress link based on the link failure signal. The method sets the status of the egress link to failed in the data plane based on the identification of the egress link in the generated packet.

公开(公告)号：US20200259765A1

公开(公告)日：2020-08-13

申请号：US16789339

申请日：2020-02-12

Applicant: Barefoot Networks, Inc.

Inventor： Patrick BOSSHART ,  Jay Evan Scott PETERSON ,  Michael Gregory FERRARA ,  Michael E. ATTIG

IPC: H04L12/935 ,  H04L29/06 ,  H04L12/933 ,  H04L12/851 ,  H04L12/741

Abstract: Some embodiments provide a network forwarding IC with packet processing pipelines, at least one of which includes a parser, a set of match-action stages, and a deparser. The parser is configured to receive a packet and generate a PHV including a first number of data containers storing data for the packet. A first match-action stage is configured to receive the PHV from the parser and expand the PHV to a second, larger number of data containers storing data for the packet. Each of a set of intermediate match-action stage is configured to receive the expanded PHV from a previous stage and provide the expanded PHV to a subsequent stage. A final match-action stage is configured to receive the expanded PHV and reduce the PHV to the first number of data containers. The deparser is configured to receive the reduced PHV from the final match-action stage and reconstruct the packet.